Las Vegas police have released disturbing footage of an elderly man being pushed off a bus by a female passenger — after he reportedly asked her to be nicer to other riders. Serge Fournier, 74, is seen arguing with Cadesha Bishop, 25, before she allegedly shoved him off the bus and onto the sidewalk. According to police, Fournier died a few weeks later from his injuries. Bishop was arrested and is facing a possible murder charge.

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