Unfolding over months of dramatic filming, cameras record the real-time detective work of the MPU as they search for missing people.
81-year-old Leslie Hicks disappeared from his home on March 23, 2008. 15-year-old Derek Cheong disappeared while his mum was working overseas. On March 10, 1980, 15-year-old Ronya Livoni had a fight with her mum and arranged to run away.
S4E4 46 min
