Mom Helps Son Clean-up Murder Scene, Son Says "Devil Made Me Do it"

Mom Helps Son Clean-up Murder Scene, Son Says "Devil Made Me Do it"

September 8, 2026 · 48 min

About this episode

The episode discusses the murder of Karoline Heintz by her boyfriend Royce Moser and the subsequent cover-up involving his mother.

Pennsylvania University soccer star Karoline Heintz and her boyfriend Royce Moser were having a discussion about their relationship when, according to Royce, Karoline said something that made him mad. Royce excused himself, telling Karoline, he has something for her, and goes inside his father's house. When he returns to Karoline, he stabs her in the chest with a knife. Joseph Scott Morgan and Dave Mack talk about the case of the mamma's boy who stabs his girlfriend then runs to his mother for help cleaning up the mess....all the while claiming "the devil made me do it". Highlights 00:01.400 — Setting the Stage for a Shocking Crime 00:35.040 — The Devil Made Him Do It? 02:19.520 — A College Freshman's Tragic Fate 05:20.970 — The Investigation Begins 09:43.750 — A Fatal Argument in the Dark 25:52.550 — The Aftermath and Cover-Up 35:28.850 — The Dynamic Duo's Desperate Attempt 36:12.770 — The Crime Scene Unfolds 36:54.830 — The Aftermath and Cleanup 37:18.700 — Forensic Evidence and Cleaning 38:39.320 — The Mother's Role and Emotional Toll 39:57.489 — Blood Spatter and Evidence Transport 42:51.910 — The…

People in this episode

Host: Joseph Scott Morgan

Guest: Dave Mack

Topics covered

Keywords

Mentioned in this episode

Organizations: Pennsylvania University

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