Brutal situation with some nice details, like the coffee and pancake smell as well as the antsy feeling that prompts her personal day.
Some grammar things, like out right instead of outright. Try reviewing and looking at sentence structure a bit. You have some run-ons and/or comma splices.

you also left out a quotation thingy, whatever they’re called.

I think that you could have made the killing a little more dramatic. I also don’t think that a suicide fits well with the pissed off character and would have worked better if she stayed in her state of despair.