Dom Littlewood goes behind the scenes at some of some of Britain's most secure institutions to see how they keep us and the country safe. On today's show, he gets hands on with a sledgehammer as he finds out how security products are tested to make sure they keep out thieves and criminals.

Sukie Madahar visits a vaults to see how they're using the latest in high tech to protect the treasures in their safe deposit boxes. And home security expert Jenny Donaldson helps out some neighbours who need to protect their properties after a series of thefts in the area.

New series in which Dom Littlewood goes behind the scenes at some of some of Britain's most secure institutions to see how they keep us and the country safe. On today's show he's back in Dover, seeing how Border Force separates the potential smugglers from the tourists.

He ends up in the back of a police van as he investigates how forensic water is helping keep supermarket staff safe. And home security expert Jenny Donaldson has advice for a couple who had their garden raided three times in a fortnight.