5/10. Dom Littlewood finds out how security works at a Premiership rugby match, and we hear about an award-winning act of bravery by a hospital security team. Also in HD. [S,AD]
4/10. Dom Littlewood sees how a London rail station deals with a suspicious package, and goes home to see how the police are working with the local community in Southend-on-Sea. Also in HD. [S,AD]
3/10. Dom Littlewood finds out how sniffer dogs are trained, and he sets sail with the Port of Dover police to see how they secure the country's border in the English Channel. Also in HD. [S,AD]
2/10. Dom Littlewood joins mounted police as they secure the streets outside an Ed Sheeran gig, and he sees how passport control operates at Heathrow. Also in HD. [S,AD]