After a badly decomposed body is discovered, the Cold Squad team reopen a 20 year old unsolved murder case.
The Cold Squad is rocked by internal strife during an investigation into a 20 year old killing spree.
The Cold Squad investigates when a serial killer is rumored to be on the loose.
The Cold Squad investigates the unsolved murder of a schoolteacher, only for events to take an unexpected turn.
The result of fresh forensic tests heaps confusion on the detectives' investigation into the murder of a teenage girl.
A man arrested on a routine drug charge is found to be carrying a clue to a 34 year old murder.
A young offender dies in police custody, triggering painful memories for Tony Logozzo.
The witness to an 8 year old murder is forced to confront her past when Ali seeks her testimony.
A construction crew finds a headless, mummified body behind a demolished warehouse.
A woman's repressed memories emerge, implicating her father in the death of her sister.
The Cold Squad investigates the murder of a four year old boy when new evidence suggests a case of mistaken identity.
The Cold Squad uncovers a web of secrets and lies when a skeleton is unearthed at a building site.
The Cold Squad investigates the abuse of a little girl, prompting suspicions about the death of her brother three years earlier.
The probe of a series of hospice deaths prompts a moral crisis for Sgt. McCormick.
Police corruption is uncovered when a case involving the murder of an elderly woman is re-investigated.