They may already have wandered from the straight and narrow. But Muslims held in police cells in one area are being given every help to find their way back.
Norfolk Police is offering compasses to suspects so they can face accurately towards Mecca when praying.
The force had already painted the ceilings of some of its cells to point worshippers in the right direction.
It tested the idea at a police station in Norwich and has recommended extending it across the county. If successful, the scheme could be rolled out to other forces around the UK.