Sky Crime HD Sunday

The murders of 12-year-old Alice, her sister 18-year-old Xing, and their parents Jifeng and Ge at their Northampton home by businessman Anxiang Du

A supposed violent break-in that left Catherine Nevin's husband dead was initially seen as a robbery gone wrong, until police dug deeper into the couple's lives

Documentary following the work of Ireland's border force officers as they fight to stop gangs of organised smugglers from bringing in drugs, money, guns and cars

A car thief causes chaos in Torquay, the Road Crime Unit tracks down a Mercedes-Benz loaded with cocaine in Plymouth, and the Tactical Aid Group has a training day

Documentary following members of the New Zealand highway patrol as they witness the best and worst behaviour on the nation's busiest motorway

Documentary following members of the New Zealand highway patrol as they witness the best and worst behaviour on the nation's busiest motorway