My Lords, the questions that have been asked are important. We cannot assume that the rules that currently apply for use with sex offenders are going to apply in terrorism cases. Indeed, Clause 35(2) tells us that there may be particular rules for terrorism cases, and even if that was not in the Bill, we know that rules can be changed at any time, relatively easily.
Polygraphs do not have a great reputation with the public, and “The Jeremy Kyle Show” did not enhance it, which is another reason for wanting to explore details today. I made the point only yesterday on the Domestic Abuse Bill that operators have to follow courses accredited by the American Polygraph Association, and I was interested—I will try to use a neutral term—that we in this country are following American practice.
Under the rules, there are requirements about reports and records. I had a look at the 2009 rules, under which the operator is required to explain the requirements of the session: that anything disclosed might be communicated to the probation officer, and that there must be consent—or, rather, written confirmation—from the offender that these explanations have been given. I stopped myself calling it “consent” because, in that situation, I wonder whether the anxiety to which my noble friend Lord Thomas referred would preclude a complete understanding by the offender of what is happening. In that situation, knowing that refusal to take a test would amount to a breach of licence conditions, would you not sign anything?
The current reviewer of terrorism legislation has called for a pilot, and, if not a pilot, then post-legislative scrutiny. Not many Bills come along for post-legislative scrutiny by Parliament. The noble and learned Lord, Lord Stewart, painted a picture that I did not quite recognise. It sounded rather more like a departmental review—an internal review—than scrutiny by Parliament to see how an Act is getting on.
At last week’s briefing, I asked about the reliability of polygraphs used on subjects who have undergone some extreme experiences, such as having been in a war zone. I understand that that cohort is particularly in the Government’s mind at the moment. The professor of psychiatry—Professor Grubin, I think—who, I understand, advises the Home Office, realised that I was referring to trauma. I had not wanted to assume that they were subjects who had been traumatised, but he was right. I remain concerned not only about what might be perceived from offenders’ reactions but that the test itself might be retraumitising, so I think that the questions being posed are very helpful.