The Bafta-nominated show is back for another captivating series on Channel 4 tonight (22/03).
The series follows the investigations of nearby Bedfordshire Police and usually filmed in Luton Police Station.
It has been incredibly popular over the years as it provides an insight into some of Bedfordshire's biggest cases.
Tonight's episode is based around a string of offences that leads to the rape of two teenage girls.
24 Hours in Police Custody starts at 9 pm on Channel 4 and will available on All 4 afterwards.