The 2015 documentary series Making a Murderer follows the story of two men from Wisconsin who were convicted of sexually assaulting and murdering a woman.

One of the convicted was an impressionable teenager called Brendan Dassey.  Dassey’s conviction was overturned in 2016 (and confirmed on appeal in 2017) on the basis that his ‘confession’ to the murder was coerced by police officers who exploited his vulnerable character.

What is the law in the England and Wales?

Provisions in the Police and Criminal Evidence Act 1984 allow courts to reject confessions of this kind on the basis that they were obtained ‘oppressively’ or are unreliable.

The relevant statutory provisions relating to the admissibility of confessions are ss. 76(2)(a) and (b) and 77 of the Act.

What does “oppressive” mean?

The term ‘oppressive’ has caused problems for the courts. It seems to be agreed that oppression implies some “impropriety” which compromises the confession’s veracity (Fulling [1987] QB 426).

Uncertainty exists, however, as the same sort of behaviour in different cases has led to the confession being excluded in one but not the other (see Paris (1993) 97 Cr App R 99; L [1994] Crim LR 839).

What about unreliability?

Aside from oppression, confessions may be excluded on the basis of unreliability. This unreliability may come about via “anything said or done” or something problematic concerning the circumstances in which the ‘confession’ was made.

An important point to note is that the suspect’s own conduct cannot undermine a confession (Goldenberg (1988) 88 Cr App R 285).

Another important reason to exclude a confession on the basis of unreliability is where the suspect is mentally unfit. A separate section of the Police and Criminal Evidence Act 1984, section 77,  deals with this.  In particular, the act seeks to protect suspects who may be suggestible and may simply go along with police officers’ leading questions about an alleged offence.

Deciding on the admissibility of confessions

The actual process for deciding whether a confession can be admitted is a ‘voir dire’. That is essentially a mini-trial within or alongside the main trial. Section 76(2) of PACE gives guidance on this point.

The prosecution must prove to the criminal law standard that the confession was not obtained in the way alleged by the defence, otherwise it will be excluded. And, although there is some disagreement, the standard position appears to be that the defendant’s evidence at the voir dire cannot be admitted during any trial for the substantive offence (Wong Kam-ming [1980] AC 247).

How we can help advise on admissibility of confessions.

Many of the problems that can arise with confessions will be removed if you have a solicitor with you to provide advice when you are interviewed.

As a result, if you are arrested or know that the police wish to speak to you about any offence  then make sure you insist on your right to free and independent legal advice.

The advantages of such early legal advice can be found here.

If you have already been interviewed or face court proceedings we will be able to advise you about the admissibility of any confession you are said to have made at any stage where you dispute the accuracy or reliability of it.  Legal aid may well be available to fund your defence at court.

 You can find your nearest office here.

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