Unfolding over months of dramatic filming, cameras record the real-time detective work of the MPU as they search for missing people.
Following an update for 16-year-old Jessica Johnson's case. 14-year-old Joanna Toalei failed to come home from a school. In September 2007, 53-year-old Robert Mumford, left his car and then disappeared.
S4E2 45 min