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Case Description
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Adam Russell Mancebo, aged 41, tragically lost his life on February 6, 2019, in Happy Valley, California. The incident occurred following a heated argument between Mancebo and his roommate, Michael Patrick O'Connell. According to reports, the altercation escalated, leading O'Connell to fatally shoot Mancebo with a 12-gauge shotgun. The Shasta County Sheriff's Office responded to a 911 call about a gunshot victim and found Mancebo deceased inside the home with a gunshot wound to the torso. O'Conn ...Read More
Links to Additional Sources (2)
See any mistakes?Victim Details
Adam Russell Mancebo
Male
White / Caucasian
Happy-valley
CA
2019-02-06
41
Adam
Russell Mancebo
11/21/2025





