When did wearing bullet resistant vests become standard?
Well, since my stories are present day, it's safe to say they're standard. Which means that if Schrank was wearing one, it was old. Why? Had he not been diligent and replaced it when he should have? Or was he issued an old one by mistake?
... Or, was someone deliberately trying to kill him and made sure he had an old one that night?
That last thought just came to me while pondering on the problem and adding in some paragraphs that address the characters' confusion over it.
Should I go that route? It would make the fic a lot longer and throw in some new elements that had originally not been planned at all. But it would be interesting.
If I don't go that route, I'll say that there was a mix-up and Schrank was issued an old vest by accident. That could put the entire precinct in a bad spot, though.
I'm kind of leaning more towards this mystery idea that someone really was out to get him and hoped he would get shot that night.
EDIT: Nevermind. I did some poking around and I have my answer: plainclothes police are not required to wear bullet resistant vests and usually keep them in the trunk, if they have them. That explains Captain Stottlemeyer being shot, too.