"Captain!" Jake screamed "HELP! Santiago was just shot." As Holt burst through his office door into the bullpen, he saw that Jake was covered in blood.
"Peralta, what happened?" Holt inquired.
"We were on our way to work and we drove past a robbery. We didn't have our vests but we had our guns. There were five of them and in the confusion-
Jake choked up and couldn't finish the story.
"Peralta?"
"I didn't realise it was her. I pulled the trigger, I murdered Amy Santiago." Jake was inconsolable. "We're supposed to be getting married in a month."
"Peralta, Jake I'm so sorry. I did she get to hospital?"
"Pronounced dead at the scene. Captain, arrest me, I'm a murderer."
"No, it was a snacks-ident." Holt's attempt to lighten the mood were wasted.