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Broken Chain of Custody: Causes, Consequences and How to Prevent It

Written by Sarim Suleman | Nov 20, 2024 10:24:05 AM

A broken chain of custody can compromise evidence integrity, leading to legal challenges and case dismissals. It is crucial for law enforcement and legal professionals to understand the key factors behind custody breaks, their legal consequences, and how digital evidence management systems ensure an unbroken chain. Discover how to prevent custody failures and safeguard digital evidence.

Digital evidence has become crucial in criminal cases. Based on a survey of police chiefs, agency managers, examiners, investigators, and prosecutors, 66% believe digital evidence has taken over physical evidence. However, as reliance on digital evidence grows, so does the risk of a broken chain of custody—a critical issue that can determine the fate of a case.

Imagine a critical criminal case involving digital evidence. Once the evidence is presented in court, doubts could emerge about its authenticity due to a broken chain of custody. From there, the case could go either way. A guilty person might be acquitted, or an innocent person might be wrongly convicted, all due to the prosecutor's inability to prove the chain of custody.

With the increasing use of digital evidence comes the significant challenge of maintaining its integrity. In court, a broken chain of custody renders evidence inadmissible. Understanding the repercussions of a broken chain of custody is extremely important for someone working with and handling digital evidence.

In 2017, in the case of Brown v. The State, authorities used digital evidence from various social media sources, including photographs and videos, to convict the defendant. However, the defense challenged the authenticity of the digital evidence and filed a motion for a new trial. As a result, the court then overturned the entire decision. This case highlights how digital evidence often faces scrutiny over its authenticity. If a crucial case can be overturned based solely on the authenticity of social media sources, imagine the repercussions of a broken chain of custody on evidence admissibility in court.

Throughout this blog, we will address the key question of what happens if the chain of custody is broken. We will identify key factors contributing to a broken chain of custody, highlight its repercussions, and explore existing solutions to this challenge.

Understanding the Broken Chain of Custody for Evidence

Chain of custody refers to the chronological documentation or paper trail that records the sequence of custody, control, transfer, analysis, and disposition of physical or digital evidence.

The primary purpose of the chain of custody is to establish that the evidence presented in court is preserved in the same state as initially collected. When a chain of custody is broken, it creates doubts regarding its handling, tampering, and integrity.

A broken chain of custody, however, occurs when gaps or inconsistencies in evidence handling raise doubts about its integrity. Mishandling, unauthorized access, or improper documentation can lead to inadmissibility in court, as an unbroken record is required to ensure authenticity.

In legal proceedings, a broken chain of custody can have serious consequences, as it can cast doubt on the integrity of the evidence, potentially rendering it inadmissible evidence.

The importance of chain of custody is particularly significant in criminal cases, where the authenticity of evidence can determine the outcome. If a broken chain of custody occurs, doubts regarding evidence manipulation may arise, ultimately jeopardizing the case. As discussed above, the example of the 2017 Brown v. The State case, where the court overturned a conviction due to challenges over the authenticity of digital evidence.

Compared to physical evidence, digital evidence is even more susceptible to tampering, unauthorized alterations, and data corruption. A broken chain of custody in digital evidence can make it easier for defense attorneys to challenge its authenticity, potentially leading to case dismissal or wrongful convictions.

Maintaining a clear, secure, well-documented chain of custody is essential to preserving evidence integrity and ensuring fair legal proceedings.

In our next section, we will be casting light on the key factors contributing to a broken chain of custody.

Factors That Contribute to A Broken Chain of Custody

After understanding the chain of custody, let us now discuss the key factors contributing to a broken chain of custody.

A broken chain of custody can lead to serious consequences, including inadmissible evidence, compromised case outcomes, and a significant loss of public trust. Therefore, understanding the causes behind these breaks is vital to maintaining the integrity of the legal process.

Several key factors can contribute to a broken chain of custody. Each step in handling evidence presents opportunities for errors that can jeopardize the entire case. So, let's examine the critical factors that often lead to these breaks and discuss how they can be prevented to ensure evidence remains credible and admissible in court.

Inadequate Seizing and Preserving Procedures Leading to a Broken Chain of Custody

Errors in seizing and preserving evidence are often the first point that can lead to a broken chain of custody. If digital evidence is not collected and preserved correctly, its authenticity may be questioned immediately.

Therefore, it's important to preserve digital evidence in its original state when collecting it. For collection, it's important to store evidence securely in an encrypted storage medium to preserve its authenticity and prevent any alteration.

But the collection of evidence isn't enough. It's also important to make sure that evidence is properly preserved. Preservation often involves creating an exact copy or image of the digital data, often called a forensic image. This ensures the original device or data source remains unaltered.

Insecure Storage Solutions

Once digital evidence is collected, it must be stored securely to prevent any risk of tampering or unauthorized access. Improper storage solutions can compromise the integrity of the evidence, leading to a broken chain of custody. For digital evidence, this often means ensuring that the storage environment is secure and encrypted.

Encryption is a key aspect of secure storage. Encryption standards like AES protect data by converting it into an unreadable format. Only those with the correct encryption key can decrypt and access the data. Typically, AES uses 256-bit encryption, providing a high level of security that is nearly impossible to breach.

Inadequate Access Control Measures

Another critical factor in preventing a broken chain of custody is implementing strict access control measures. Digital evidence must be accessible only to authorized personnel to ensure its integrity. When access controls are inadequate or there is no tracking for who interacted with the evidence, the integrity of the evidence can be compromised.

One effective way to manage access is through granular access control. Granular access control restricts access to evidence based on the role assigned to them and the permissions that come with it. This ensures that only those with the necessary clearance can view or handle the evidence. Limiting access in this way dramatically reduces the likelihood of unauthorized handling.

Improper Transfer Protocols

The transfer of evidence between locations or individuals is a vulnerable point in the chain of custody. These gaps can be exploited in court, potentially leading to the evidence being ruled as inadmissible evidence. Ensuring a safe and secure transfer is crucial in preventing a broken chain of custody.

To ensure the safe and secure transfer of evidence, end-to-end encryption is essential. This ensures the data remains encrypted throughout the transfer process, safeguarding it from unauthorized access or tampering.

Failure to Maintain a Detailed Log

A detailed and accurate log is the backbone of the chain of custody. Every action taken with the evidence must be meticulously recorded, from the moment of collection to its presentation in court. Gaps in this can lead to serious doubts about the evidence's authenticity, making it easier for the defense to challenge its admissibility as inadmissible evidence.

Unfortunately, some law enforcement agencies neglect the importance of maintaining a detailed audit trail, leading to significant challenges for prosecutors. Without a comprehensive audit trail, the integrity of the evidence is questioned, increasing the risk of it being ruled as inadmissible evidence. This weakens the prosecution's case and undermines the entire legal process.

Mismanaging and Tampering of Evidence

Improper handling or any indication of tampering with evidence is one of the most common causes of a broken chain of custody. Law enforcement agencies and legal professionals must manage evidence according to strict protocols established by various evidence-handling laws to prevent contamination or alteration.

These include the Federal Rules of Evidence (FRE), National Institute of Standards and Technology (NIST) Guidelines, and Federal Rules of Civil Procedure (FRCP). Laws like this help prevent and identify deviations in digital evidence, such as tampering, mishandling, or lost evidence.

Tampering of evidence can also become a significant concern if there are no ways to track it. This is where tamper detection can help by acting as the first step in preventing any alteration in digital evidence. Advanced technology like SHA (Secure Hash Algorithm) cryptography present in modern digital evidence management systems helps detect tampering. This helps identify and stop evidence tampering and maintain the integrity of the chain of custody.

What Happens If the Chain of Custody Is Broken?

An unbroken chain of custody is vital in preserving the integrity and credibility of evidence throughout the legal process. Likewise, a broken chain of custody can jeopardize the entire case and make inadmissible evidence. To that end, let's examine what happens when the chain of custody is broken and highlight why it is essential.

Compromised Integrity of Evidence

With a broken chain of custody, the integrity of the evidence becomes compromised. As a result, courts can no longer confidently regard the evidence as unaltered or tamper-free.

Any gap or inconsistency in the custody record immediately raises doubts about whether the evidence has been manipulated, contaminated, or otherwise affected. Consequently, this broken chain of custody undermines the reliability of the evidence. As a result, the value of the evidence in supporting the case is significantly diminished.

Evidence Inadmissibility

One of the most severe repercussions of a broken chain of custody is the risk of evidence being deemed inadmissible in court. Courts require evidence to have a clear link to the crime and to be free from any reasonable doubt about its authenticity.

When someone disrupts the chain of custody, it can significantly hinder the prosecution's ability to prove that the evidence is genuine and untampered. As a result, the judge may rule the evidence inadmissible, preventing it from being used to support the case.

Additionally, specific laws demand strict adherence to the chain of custody. For example, the Federal Rules of Evidence (FRE) outlines procedures related to evidence handling.

Compliance with FRE Rule 901 requires that evidence be appropriately authenticated to be admissible. A broken chain of custody can lead to failure to meet this requirement. This further increases the risk of evidence exclusion in court.

Learn more about compliance for evidence and evidence admissibility in our recent blog.

Undermined Case Outcomes

A broken chain of custody can severely undermine a case's outcome. When critical evidence is excluded, the prosecution may struggle to prove the case beyond a reasonable doubt. Because of this, the court may reduce charges, accept plea bargains, or dismiss the case entirely.

In criminal cases, this could lead to a guilty party being acquitted. In civil cases, it might mean the dismissal of key evidence that could have swayed the judgment in favor of the plaintiff. Ultimately, the outcome of the entire case can be jeopardized. This failure in maintaining the chain of custody can lead to a significant miscarriage of justice.

Heightened Legal Disputes and Appeals

A broken chain of custody often leads to heightened legal disputes and increased appeals. The defense can quickly challenge the validity of compromised evidence, leading to extensive litigation. This prolongs the legal process and raises costs for both parties.

In some cases, a conviction based on questionable evidence may be overturned on appeal. This can result in retrials or even the release of convicted individuals. Moreover, these disputes can be lengthy and complex, further burdening the judicial system.

Credibility Undermined

A broken chain of custody can severely undermine the credibility of those responsible for handling evidence, including law enforcement agencies, forensic experts, and especially the legal firms.

A failure to provide substantial evidence can lead to broader doubts about the integrity of evidence in other cases they handle. This can weaken confidence in the legal process and thus increase the risk of inadmissible evidence in court.

Best Practices to Prevent a Broken Chain of Custody

As we have seen, maintaining a consistent chain of custody is critical in preserving the integrity of digital evidence. Best practices for digital evidence include appropriate collection and preservation in a secure format, secure handling procedures, detailed audit trails, and tampering prevention measures.

These days, these measures can be implemented by using a secure storage solution for digital evidence, such as a digital evidence management system.

Below, we discuss how digital evidence management system provides features to prevent broken chain of custody.

Automated Chain of Custody Tracking

Manually maintaining evidence records can lead to gaps, misplaced documentation, and errors, increasing the risk of a broken chain of custody. Without a verifiable audit trail, evidence integrity may be questioned, potentially making it inadmissible in court.

A digital evidence management system eliminates these risks by automating chain of custody tracking. It ensures every collection, transfer, storage, and analysis is time-stamped, securely logged, and tamper-proof, providing a transparent, unbroken record. This level of automation and real-time tracking enhances accountability and evidence security, preventing chain of custody failures.

Tamper Detection for Evidence Integrity

A broken chain of custody often stems from tampering, which can compromise the authenticity of digital evidence and make it inadmissible in court. Even minor alterations can raise reasonable doubt, leading to case dismissals or wrongful convictions.

To prevent this, digital evidence management systems utilize tamper-evident storage and SHA cryptography, ensuring that any unauthorized modifications are immediately detected and flagged. If tampering occurs, automated alerts notify investigators, allowing them to take corrective action in real time, preserving evidence integrity and legal admissibility.

Secure Transfer and Handling of Digital Evidence

Transferring digital evidence without proper security measures increases the risk of interception, loss, or unauthorized alterations, leading to a broken chain of custody. Any missing or improperly handled transfer logs can result in evidence being challenged in court.

Digital evidence management software ensures all evidence transfers are time-stamped, encrypted, and securely logged. It prevents gaps in custody records and utilizes end-to-end encryption to protect files from unauthorized access during transit. This guarantees that evidence remains untampered, fully traceable, and legally defensible throughout the handling process.

For ensuring compliance, digital evidence sharing also requires appropriate redaction of personally identifiable information. Digital evidence management platform allows for automatic redaction, ensuring privacy and compliance while sharing digital evidence.

Granular Access Control

Unrestricted access to evidence increases the chances of unauthorized modifications, accidental deletions, or chain of custody violations. Without strict access controls, any unverified handling can raise concerns about evidence authenticity in court.

Digital evidence management systems implement strict granular access control to restrict who can view, edit, or transfer digital evidence. By limiting access to only authorized personnel, such digital evidence management ensures evidence security and reduces the risk of chain-of-custody breaches. Comprehensive access logs further enhance accountability by recording every interaction and maintaining a clear and transparent custody record.

Limited Evidence Sharing

Excessive or uncontrolled sharing of digital evidence increases the risk of a broken chain of custody, making it easier for unauthorized individuals to access, alter, or misplace critical files. When evidence is shared without proper restrictions, chain gaps, mismanagement, and loss of accountability can occur, leading to legal disputes and inadmissibility in court.

digital evidence management systems prevent this by enabling secure, role-based sharing, ensuring that evidence is only shared when necessary. Every transfer is time-stamped and logged with user details, providing a clear audit trail. This prevents unauthorized distribution, maintains custody integrity, and ensures that digital evidence remains legally defensible.

Password Protection and Encryption for Secure Storage

Unauthorized access to stored evidence is one of the primary causes of a broken chain of custody, as it raises questions about evidence authenticity and potential tampering. If evidence is not properly secured, even accidental access can compromise its integrity, leading to case dismissals or challenges in court.

Digital evidence management system secures digital evidence using AES-256 encryption, a military-grade standard that ensures files cannot be accessed or altered without authorization. Additionally, password-protected access restricts retrieval to verified personnel only, preventing unauthorized users from viewing or modifying critical case data. These security measures safeguard evidence integrity and reinforce the legitimacy of the chain of custody.

Recording the Reason for Accessing Evidence

Untracked interactions with evidence create custody gaps, making it difficult to establish who accessed the evidence and why. Without detailed documentation, defense attorneys can challenge evidence authenticity, arguing that unauthorized access may have led to tampering or alterations.

A digital evidence management system ensures accountability by requiring users to provide a reason every time they access, modify, or transfer evidence. These actions are automatically recorded in an immutable audit trail, documenting who accessed the evidence, when, and for what purpose. This level of transparency and control prevents unauthorized tampering, strengthens the chain of custody, and ensures that digital evidence holds up in court.

VIDIZMO DEMS: Your Ultimate Solution to Prevent a Broken Chain of Custody

One gap in the chain of custody can make or break a case! This isn’t a risk you can afford to take.

VIDIZMO Digital Evidence Management System (DEMS) ensures an unbroken chain of custody by providing secure, automated, and auditable evidence handling. It maintains real-time tracking of all evidence activities, ensuring every collection, transfer, storage, and access is time-stamped and logged. This eliminates manual errors, prevents documentation gaps, and strengthens evidence integrity in legal proceedings.

With AES-256 encryption, password-protected access, and granular access permissions, VIDIZMO DEMS prevents unauthorized handling of digital evidence. Its tamper detection capabilities, powered by SHA cryptography, instantly flag any unauthorized modifications, ensuring evidence remains authentic and admissible in court. Additionally, automated alerts and audit trails provide full visibility into who accessed or altered evidence and why.

VIDIZMO DEMS also ensures secure evidence sharing and transfer through end-to-end encryption, controlled access, and detailed transfer logs. By implementing comprehensive chain-of-custody tracking, restricted sharing, and compliance with legal standards, VIDIZMO DEMS helps law enforcement, legal professionals, and organizations maintain the integrity, security, and credibility of digital evidence at every stage.

Ensuring Evidence Integrity: Preventing a Broken Chain of Custody

The critical question of "What happens if the chain of custody is broken?" continues to be a major concern for law enforcement and legal professionals. A broken chain of custody can jeopardize the admissibility of evidence, raising doubts about its authenticity and potentially compromising an entire case.

The solution lies in proper evidence handling, secure storage, and controlled transfers. Implementing a digital evidence management system significantly reduces the risk of a broken chain of custody by offering centralized tracking, time-stamped audit logs, and immutable records to ensure evidence remains intact and defensible in court.

With end-to-end encryption, granular access control, and automated documentation, a digital evidence management system helps legal professionals maintain the authenticity of digital evidence, prevent a broken chain of custody, and ensure that evidence stands up to scrutiny in legal proceedings. Prioritizing these practices safeguards the integrity of the criminal justice system and strengthens trust in digital investigations.

VIDIZMO Digital Evidence Management System (DEMS) provides a secure, automated, and compliant solution to prevent a broken chain of custody. With real-time tracking, tamper detection, encryption, and audit trails, it ensures evidence integrity from collection to courtroom. Don't leave your chain of custody to chance—Book a Demo today and see how VIDIZMO DEMS can streamline your evidence management or request a free 7-day trial—on us!

People Also Ask

What happens if the chain of custody is broken?

A broken chain of custody can lead to evidence being challenged in court and possibly ruled inadmissible, weakening the case and increasing the chances of an acquittal.

What does it mean when the chain of custody is broken?

A broken chain of custody means that evidence handling has gaps, errors, or improper documentation, raising concerns about tampering, contamination, or authenticity.

Why is evidence inadmissible if there is a broken chain of custody?

Courts require a clear chain of custody to verify that evidence has not been altered or mishandled. If there is a broken chain of custody, the evidence may be considered unreliable and inadmissible.

What factors contribute to a broken chain of custody?

Common factors include improper handling, lack of documentation, unauthorized access, storage issues, and transfer errors—all of which can compromise evidence integrity.

How does a broken chain of custody affect the outcome of a criminal case?

If key evidence is ruled inadmissible, it can weaken the prosecution, leading to dismissed charges, reduced sentencing, or even an acquittal.

What is an unbroken chain of custody?

An unbroken chain of custody ensures that evidence remains properly documented, securely stored, and legally admissible from collection to courtroom.

How does secure storage prevent a broken chain of custody?

Encryption, controlled access, and tamper-evident storage protect evidence from unauthorized modifications, ensuring its authenticity and legal admissibility.

What is the biggest risk of breaking the chain of custody?

The biggest risk is that the evidence may be excluded from court, which can lead to a guilty party being acquitted or an innocent person being wrongly convicted.

Can Digital Evidence Management Systems prevent breaks in the chain of custody?

Yes, DEMS automates evidence tracking, enforces access controls, and ensures tamper-proof documentation, preventing custody breaks and maintaining legal admissibility.

Who is responsible for maintaining the chain of custody?

Law enforcement officers, forensic analysts, and legal teams must ensure evidence is properly documented, stored, and transferred to maintain an unbroken chain of custody.