David Parker

The teams search for what they believe to be two killers who torture and murder young women and then send DVD recordings of their crimes to the victims' mothers.

Lincoln meets up with his mother, Michael and Sarah make a somewhat dangerous hitchhiking trip to Miami, and T-Bag and Self face drama in their search for Scylla.

Sipowicz and suspended Simone try to clear their names in the Salvo murder with Kirkendall's inside information from an unlikely source.

Don and the rest of the team investigate several attacks occurring on LA highways that may be connected.

Trivette infiltrates the gang of a career criminal who is out on parole and up to his old tricks. Alex opens her new rehabilitation centre to help steer youngsters away from crime.

A construction worker suffering from the physical and psychological pain of an on-the-job accident, presents symptoms of a near-identical but more severe accident that occurred on the same site more than 100 years earlier.