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Case Description
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Mark Osborn, a 50-year-old male resident of Riverside, Ohio, was tragically killed on January 17, 2022, in a shooting incident at his residence on Richland Avenue. The incident also resulted in the death of 35-year-old Richard Isaac, who succumbed to his injuries at Miami Valley Hospital, and left Osborn's fiancée injured but eventually released from the hospital. The police investigation revealed that the shooting involved at least two firearms, a 9mm and a .45 caliber, and was likely connecte ...Read More
Victim Details

Mark Osborn

Male

White / Caucasian

Riverside

OH

2022-01-17

44

Mark

Osborn

11/20/2025