A look at notorious murders and crimes that happened during the 1990s.

Follow an active investigation in real time as the Tulsa County Sheriff's Office (TCSO) Cold Case Task Force cracks open the 31 unsolved cases of Tulsa County. Starting with two of its most terrifying: the 1973 murder of 38-year-old Veda Woodson and the 1998 murder of 16-year-old Dena Ann Dean, both unsolved cases continue to haunt the Tulsa community. Now, the TCSO Cold Case Task Force is determined to find justice for the victims.