
This episode covers the murder of Shirley Andronowicz in Winnipeg, Canada, and the subsequent investigation that led to the arrest of her husband Ed Andronowicz and later Mark Jarman.
Shirley and Ed Andronowicz had a night out at a bar, which ended in an argument. Ed returned home alone, while Shirley was later found murdered in a nearby schoolyard. The gruesome details of her death shocked investigators, and Ed initially confessed to the crime.
Despite Ed's confession, forensic evidence, including blood type analysis, indicated he could not have committed the murder. This led to his release after two months in jail. The investigation continued as detectives sought to identify the real killer.
Eventually, Mark Jarman, a construction worker, became a suspect after an informant reported suspicious behavior. Forensic analysis linked him to the crime scene through blood type and bite mark evidence. Jarman confessed to the murder, claiming it was in self-defense.
Mark Jarman was convicted of first-degree murder and sentenced to life in prison. The episode highlights the impact of the crime on Shirley's family, particularly her daughter, who reflects on the loss of her mother.
Shirley Andronowicz was murdered, leading to a wrongful confession and the eventual arrest of Mark Jarman.

This episode stands out for the following:
It was Shirley Andronowicz's last night alive.Forensic Files - Season 4, Episode 4 - Cement the Case - Full Episode
Not a day goes by when she doesn't come into my mind.Forensic Files - Season 4, Episode 4 - Cement the Case - Full Episode