Sex offenders to be given lie detector tests by Hertfordshire police

07:04 03 June 2014

Lie detector tests for sex offenders are being introduced by Hertfordshire Constabulary

Lie detector tests for sex offenders are being introduced by Hertfordshire Constabulary


Sex offenders will now take lie detector tests in a pioneering police scheme.

Hertfordshire Constabulary has sent officers on an 11-week course to learn how to administer polygraph tests, commonly known as a lie detector.

The project is the first of its kind in the country, with the tests used – alongside other methods – to judge what risks registered sex offenders pose.

Detective Chief Inspector Stuart Orton, who leads for the force on protecting vulnerable people, has been involved in leading the polygraph testing work for the county’s police.

He said: “The polygraph testing is not about sex offenders confessing their crimes it is about assessing the risk they pose to the community and in some cases themselves.

“It’s a measure used with other investigative tools by specialist officers in our Child On-line Safeguarding Team to protect the public.

“In many instances individuals have been arrested and are on bail waiting for the technical analysis work to be undertaken on their computer equipment.

“By agreeing to an early polygraph test we can work with the offenders and understand the stress they are under and manage them more effectively.”

Hertfordshire police and crime commissioner David Lloyd added: “Managing the risk that sex offenders pose is challenging and the police service must be creative in its approach.

“Hertfordshire Constabulary has been at the forefront of this innovative project which provides specialist officers with further ways to manage risk and I’m confident in the months ahead polygraph testing will prove to be highly successful.”


  • well done LTG75, you nailed it! sure, it looks good, and sounds good, but there are just too many variables which make it a very blunt instrument, and thus, not the appropriate tool for the job. i do however, applaud these guys for searching for the answers.

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    Tuesday, June 3, 2014

  • "Lie" detectors are useless. They measure any emotionalimpulse changes, which can be triggered by excitementpainfearetc. Even if these did work, I fail to see how this helps assess the offenders threat level, to the community. Surly random searches of their homeshard-drives etc would ascertain this?

    Report this comment


    Tuesday, June 3, 2014

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