Klaus O.: A Case of Workplace Poisoning Artwork

Unmasking a Murderer

True crime podcast hosted by Dr. Joni Johnston, a forensic psychologist and private investigator, that explores the dark side of human nature and the psychology behind crimes.

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Unmasking a Murderer

Klaus O.: A Case of Workplace Poisoning

September 10, 2021 • jimmyjohnnyd • Season 1 • Episode 14

When most people think of workplace violence, they think of someone sneaking a gun into work and shooting fellow employees. But there are sneakier ways to get revenge on the people you work with.