The investigation into the shooting of a newspaper columnist leads to a murder case from two decades earlier and involves a suspect who at that time had been a juvenile.

The murder of a janitor in a university laboratory building leads back to a student employee whose participation in a drug study may have prompted the crime.

The bludgeoning of two women in their apartment leads the detectives to a suspect who has taken a hostage while demanding legal representation … and Southerlyn’s actions, while heroic, results…

After it’s determined that a wealthy woman did not commit suicide but was murdered, the detectives question both her first and second husbands and her teenage daughter.