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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
Links to Additional Sources (5)
See any mistakes?Victim Details
Mark Osborn
Male
White / Caucasian
Riverside
OH
2022-01-17
44
Mark
Osborn
11/20/2025







