Maximum Security

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.

Dom Littlewood is at Heathrow, where he checks out the security around air freight and gets special access to the Border Force warehouses where they keep goods seized by customs. Security expert Sukie Madahar has advice on how to keep your pets safe from thieves.

Dom Littlewood sees how multiple security teams work together at one of Britain's largest exhibition venues.

He's also on patrol with the Port of Dover police as they sweep a cross-channel ferry ahead of departure. Home security expert Sukie Madahar has all the tips you need to keep burglars out of your house.