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Tucson man who threatened mass shooting at University of Arizona sentenced

University of Arizona campus
Mariana Dale/KJZZ
University of Arizona's campus.

A self-described involuntarily celibate man was sentenced Tuesday to 16 months in prison after he was found guilty in federal court of threatening a mass shooting at the University of Arizona.

Michael Pengchung Lee is 27 years old and lives in Tucson but didn’t attend UA. Last fall, he posted messages on Snapchat threatening to enact revenge against UA sorority and fraternity members whom he called "Stacies" and "Chads" in online threats.

His attorney argued that Lee’s behavior stemmed from mental illness and drug addiction. But prosecutors said he also threatened to purchase an AR-15 rifle to commit the shooting and he referenced a previous attack by an "incel" that killed six people 10 years ago.

Fronteras Desk senior editor Michel Marizco is an award-winning investigative reporter based in Flagstaff.