鲍鱼tv

Dom Littlewood goes behind the scenes at some of Britain鈥檚 most secure institutions to see how they keep us and the country safe.

This time, he takes to the trains to find out how rail enforcement officers deal with suspicious packages at one of London鈥檚 busiest stations. Then he goes home to Southend-on-Sea to see how the police are working with the local community to secure the streets.