This doesn't happen with a prop gun. they aren't stocked on set. and prop guns CANT chamber them. so, he was using a real gun and shot 2 people. it wasn't an accident. He used a real gun and he loaded it with live rounds, and then he shot two people. He successfully murdered one of them. Alec Baldwin has a long track record of violence: against his now ex-wife, against his then-teenage daughter who feared and hated him due to his violence, strangers he ran across in public & started violent altercations where he assaulted them; this is nothing new. Alec Baldwin was a ticket time bomb. This was inevitable, because no one ever held him accountable before this happened.