Kidnapped By a Drug Cult - The Mark Kilroy story
The Mark Kilroy case is a chilling true crime story involving a University of Texas student who disappeared during spring break in Matamoros, Mexico, in 1989. Kilroy was later found to have been kidnapped and murdered by a drug cult led by Adolfo Constanzo, which practiced ritualistic human sacrifices as part of their belief system. His death shocked both the U.S. and Mexico, leading to an intense cross-border investigation that exposed a gruesome network of occult crime tied to drug trafficking.
You May Also Like

True Crime Obsessed
True Crime Obsessed

Crime Stories with Nancy Grace
iHeartPodcasts and CrimeOnline

True Crime Podcast 2025 - Police Interrogations, 911 Calls and True Police Stories Podcast
True Crime Podcast 2026

Mystery - Retro Radio
Various Authors

Dragnet - Moonlight Radio
Jack Webb

Crime House Daily
Crime House

48 Hours
48 Hours

Murder: True Crime Stories
Crime House

My Favorite Murder with Karen Kilgariff and Georgia Hardstark
Exactly Right and iHeartPodcasts

Solved Murders - True Crime Stories
RedditKing
Community discussion