He was reportedly seen trying to wave down a car for help after being stabbed (on camera footage). I suspect if he could do that, then he could've easily called

He was reportedly seen trying to wave down a car for help after being stabbed (on camera footage). I suspect if he could do that, then he could've easily called 911 instead, but couldn't. It's very likely he was mugged, stabbed in the process, and died due to excessive blood loss.