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An insurance agent is shot execution style in his office in broad daylight, but the killer left no fingerprints and there was no murder weapon found at the scene… Then, investigators discover a critical clue invisible to the naked eye that cracks the case. (also marked as S1:E12)
First Air Date : Feb 23, 2020
Last Air date : Aug 13, 2023
Episode : 58 Episode
Season : 4 Season
Runtime: 21:14 minutes
Studio: HLN, Investigation Discovery
Country: United States of America
Cast: Bill Camp
