Killer Cases · SEASON 7

A Teacher's Murder

Episode 8 · 2025-08-01

★ 8.0
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Season 7Episode 8★ 8.0/10
  • Crime
  • Documentary

Episode overview

In February 2021, Mario Fierro, a popular high school teacher, was gunned down in his driveway in cold blood as he got ready to leave for work. Detectives uncovered a chilling trail of online clues.

43 minutes

Season 7 episodes

1. Death in a Suitcase2025-06-06 2. Death by Eye Drops2025-06-13 3. The TikTok Killer2025-06-20 4. A Midsummer's Night Murder2025-06-27 5. Requiem for a Reporter2025-07-11 6. Deadly Betrayal2025-07-18 7. Fatal Encounter2025-07-25 8. A Teacher's Murder2025-08-01