15 Storeys High (2002)

S5E4 Homecoming

Upon Jim's return to his hometown of Norville to contribute family land to the community, he discovers the town is gripped by the terror of a serial killer. In secret, he recruits Barney to assist in the investigation. The prime suspect is a troubled Vietnam veteran, but Jim and Barney soon uncover his innocence, managing to spring him from jail just before a mob closes in. They then enlist the help of the rest of the IMF team to track down the true culprit behind the murders.