If they are to be used for sex offenders, they should first be validated. For example, the members of the current government...?
I'd also say, the consequences of a lie detector test being wrong could be horrific for both sex offenders' potential victims and, indeed, for sex offenders - not all of whom have done the most terrible things. Yet, if they "fail" such a test wrongly, they could end up very badly treated.
Lie detectors should be used to monitor sex offenders, UK study says
Research for police argues that compulsory polygraph testing could reduce risk to the public
I'd also say, the consequences of a lie detector test being wrong could be horrific for both sex offenders' potential victims and, indeed, for sex offenders - not all of whom have done the most terrible things. Yet, if they "fail" such a test wrongly, they could end up very badly treated.
Lie detectors should be used to monitor sex offenders, UK study says
Research for police argues that compulsory polygraph testing could reduce risk to the public