Riley Strain’s cause of death has been revealed as alcohol poisoning and drowning. The 22-year-old University of Missouri student made headlines after mysteriously vanishing during a night out with his fraternity brothers. Though police ruled out foul play, his parents remained suspicious and called their investigation a ‘b-minus’ job. His death has been ruled accidental. 🎥 Metro Nashville PD / NewsNation #news #rileystrain #rip #death #tragic #mizzou #fraternity #nashville