again, she's a trained professional, and used of deadly force should be the LAST resort.
He was sitting on the couch eating ice cream and watching TV. He didn't have a weapon. He wasn't a threat.
No, deadly force is not the last resort. It's why we passed our Stand Your Ground law in January and will go into effect this April. The law is you can legally use deadly force if you believe you are in jeopardy of serious bodily harm or death. She didn't know what he had or didn't have because she couldn't see him.
What you don't realize is that the bad guys could care less if you're a cop or not, and as you can imagine, make a lot of enemies in their line of work. When they get out of prison, they my be seeking revenge on the police officer responsible for their arrest and conviction. If it's somebody in prison that belonged to a gang, a gang member on the outside may be seeking revenge on his part. These are the kinds of things that's in a police officers mind on or off duty.
If I were a police officer, came home and somebody was on my couch in the dark, that would probably be the first thing I would think of.