Plot: Donal MacIntyre interviews former Detective Chief Inspector Howard Groves to discover how his dedication helped find the murderer known as the 'Canal Killer'.
Donal MacIntyre's Murder Files - Season 1 - Howard Groves - John Sweeney (Episode 10)
Episode Aired On:
Wednesday, May 2 2018
6 years ago
Wednesday, May 2 2018
6 years ago
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Episode 9
Donal MacIntyre