Case File 280 · Investigation Psychology

Does Recording an Entire Interrogation Reduce Problems With Confessions?

Yes, recording entire interrogations is one of the most widely supported reforms for reducing problems with confessions. When the full process is captured on video, fact-finders can see what happened

By Murder Book Editorial TeamPublished by Gungrounds, the studio making Murder BookPublished Updated

Yes, recording entire interrogations is one of the most widely supported reforms for reducing problems with confessions. When the full process is captured on video, fact-finders can see what happened before a suspect confessed, not just the confession itself. This matters because research consistently shows that false confessions contribute to wrongful convictions. The Innocence Project reports that about 29% of DNA exonerations in the United States involved false confessions. Recording does not prevent every problem, but it creates a record that courts, juries and defence lawyers can examine independently.

Key takeaways

  • Recording the entire interrogation, not just the confession, lets fact-finders evaluate the process that led to a statement.
  • About 29% of wrongful convictions overturned through DNA testing in the United States involved false confessions.
  • Camera angle matters: a suspect-focused camera can make a confession look more voluntary than it was.
  • Researchers recommend an equal-focus angle showing both the suspect and the interviewer.
  • More than half of US states now require or encourage electronic recording of custodial interrogations.

Why does recording matter for confession reliability?

A confession is powerful evidence. Research by Kassin and Neumann (1997) found that confessions can influence jury verdicts even when jurors are told the confession was coerced. The problem is that a written summary or a partial recording shows only the end result. It does not show whether the suspect was questioned for hours, whether promises were implied or whether pressure was applied before the recording began.

Kassin and Gudjonsson (2004), in their review for Psychological Science in the Public Interest, recommended that police should videorecord interrogations in their entirety. Their reasoning was straightforward: a complete recording preserves the context that a summary cannot. It captures the questions, the suspect's initial denials, any signs of fatigue or distress, and the techniques used by the interviewer.

This is also why false confessions can contain accurate crime details that seem convincing at trial. Without a recording of the full session, it may be impossible to tell whether the suspect provided those details independently or whether they were introduced by the interviewer.

What is camera perspective bias?

Recording alone does not solve every problem. Research by Lassiter, Geers, Handley, Weiland and Munhall (2002), published in the Journal of Applied Psychology, found that the angle of the camera affects how viewers judge a confession. When the camera focused on the suspect alone, viewers rated confessions as more voluntary than when both the suspect and the interviewer were visible.

This is known as the camera perspective bias. Later studies confirmed the effect using authentic police recordings, not just simulations. The concern is real: in practice, many jurisdictions record with the camera positioned behind the interviewer and pointed at the suspect, which is the angle most likely to produce bias.

Lassiter and colleagues recommended an equal-focus perspective, where both the suspect and the interviewer are visible in profile. This angle reduced the bias in experimental studies. It has since been adopted as a best-practice recommendation by several professional bodies.

How does recording help prevent false confessions?

Recording addresses several known risk factors for false confessions:

  • Interrogation length. Research shows that longer interrogations increase the risk of false confessions. A recording makes the duration visible to everyone who reviews the case.
  • Minimisation and maximisation. Techniques such as minimisation can imply leniency without stating it directly. A recording preserves the interviewer's exact words, making it possible for courts to evaluate whether implied promises were made.
  • Evidence disclosure. When investigators reveal crime-scene details during questioning, a suspect may incorporate those details into a confession. A recording shows when and how information was introduced. This connects to the broader issue of confession contamination.
  • Vulnerable suspects. Young suspects and people with cognitive difficulties are at higher risk of false confession. A recording can reveal signs of confusion, compliance or lack of understanding that a written summary would miss.

Drizin and Leo (2004), analysing 125 proven false confessions, argued that electronic recording was among the most important safeguards against wrongful convictions based on unreliable confessions.

What do law enforcement agencies say about recording?

Many law enforcement leaders have come to support recording, sometimes after initial resistance. The concern that recording would make suspects less willing to talk has not been borne out in practice. Kassin and Gudjonsson (2004) noted that police departments that adopted recording generally reported positive experiences, finding that the practice protected officers from false claims of coercion as much as it protected suspects from actual coercion. A complete recording can confirm that an interrogation was conducted properly, strengthening the prosecution's case when the confession is genuine.

What are the limits of recording?

Recording is a safeguard, not a guarantee. Several limitations remain:

  • A recording only helps if it captures the entire interaction. If recording begins only after key exchanges have taken place, the record is incomplete.
  • Camera perspective bias means that even a complete recording can mislead viewers, depending on the angle.
  • Jurors and judges may still overweight a confession on video. Research on the persuasive power of confession evidence suggests that confessions remain highly influential regardless of the circumstances under which they were obtained.
  • Recording does not change the techniques used. If the interrogation itself relies on coercive methods, the recording documents the coercion but does not prevent it.

How many jurisdictions require recording?

As of 2023, more than half of US states have passed laws requiring or encouraging the electronic recording of custodial interrogations, according to the Innocence Project. The trend has accelerated since the early 2000s, driven partly by DNA exonerations that revealed false confessions.

Outside the United States, a number of countries require recording as standard practice. England and Wales have required it under the Police and Criminal Evidence Act 1984 (PACE), and recording is a key element of the PEACE model of investigative interviewing used in the United Kingdom, Australia and other common-law jurisdictions. The differences between the PEACE model and the Reid Technique reflect broader disagreements about how interviews should be conducted and documented.

How does this connect to Murder Book?

Murder Book: The Art of Interrogation is an upcoming narrative interrogation game from Gungrounds in which players examine unreliable stories and behavioural changes across focused 5-10-minute cases. Development screenshots show a branching case map with achievement endings and a completion percentage, meaning players can revisit cases and reach different conclusions based on how they read the evidence.

In the real world, recording creates a reviewable record of what happened. In Murder Book, the structure of the game serves a similar function: players can observe the full exchange, not just the outcome, and weigh whether a statement was consistent, pressured or incomplete. The game is in development for PC (Steam) and mobile, with release currently planned for the end of Q2 2027.

Sources

  1. Kassin and Gudjonsson (2004), The psychology of confessions: a review of the literature and issues. Psychological Science in the Public Interest
  2. Lassiter, Geers, Handley, Weiland and Munhall (2002), Videotaped interrogations and confessions: a simple change in camera perspective alters verdicts in simulated trials. Journal of Applied Psychology
  3. Drizin and Leo (2004), The problem of false confessions in the post-DNA world. North Carolina Law Review
  4. Innocence Project, DNA exonerations in the United States
  5. Innocence Project, How to stop false confessions
  6. Kassin, Scherr and Alceste (2020), The right to silence. Routledge International Handbook of Legal and Investigative Psychology%20-%20Right%20to%20silence.pdf)