When did 48 Hours Season 33 Episode 31 air?
48 Hours Season 33 Episode 31 aired on May 9, 2020.


This newsmagazine series investigates intriguing crime and justice cases that touch on all aspects of the human experience. Over its long run, the show has helped exonerate wrongly convicted people, driven the reopening — and resolution — of cold cases, and changed numerous lives. CBS News correspondents offer an in-depth look into each story, with the emphasis on solving the mystery at its heart.
The FBI believes skulls drawn in blood are the number of victims murdered by a prolific serial killer. Inside the FBI's search to identify them. "48 Hours" correspondent Peter Van Sant reports.
Direct answers for episode-level questions and details.
48 Hours Season 33 Episode 31 aired on May 9, 2020.
This episode runs for approximately 45 minutes.
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