This petition was submitted during the 2015 to 2017 Parliament
Closed petition Make lie detector tests mandatory when questioning suspects in a serious crime
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When questioning suspects involved in sex offences, manslaughter, murders, and missing persons, polygraph tests should be a mandatory part of the police interviewing process, even if the crime was overseas. The test should be taken more than once to minimise the chance of false readings.
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This petition will stay open until 3 May 2017.