The crime was too grave for him to let the culprit leave.
If the woman was really the one shaking up the city with her crime, already made a whole police department to be considered useless and even being in a tight spot, then he would surely do something.
The person he killed was not intentional and no living being witnessed it. It was a long while ago and he had nearly forgotten that it happened.
Even his daughter that was hyping over it had let it out of her mind, since he did it out of annoyance that the guy hurt her
He didn't know that he would die and just wanted to make sure he learned the lessons of his life, but he did.
Olivia also suspected that he wouldn't let go, because her instinct screams danger, and also thanks to the fact that the system has heightened it.
She suddenly felt unsettled and one thing is sure, this is just the start. If she goes further in, it's not different from handling herself to them.