From leaving his glasses and the shattered bike pump on the scene, he probably left a lot of DNA as well. Fiends of this sort are often “frequent flyers”, so he might already be in the system and an easy pick up.
If he shows up at a hospital or clinic with head injuries, he is pegged, so hopefully he will try to tough it out and get a lethal infection.
It’s still a pity that she wasn’t able to put eight .22 slugs into his abdomen, in a nice shot grouping.
I was thinking a silenced 380, with a full clip discharged into the nuts. Then just go on like nothing happened.