Typical golden hero? Always the most annoying... if someone wants to take a life they have to be prepared to lose theirs.
Turning to the man who had a knife in his chest, I quickly remove the knife and freeze the wound, temporarily closing it. The ice should last for about an hour without other interference, just enough time for the police to arrive and for him to be transferred over to a hospital.
Reincarnated in the DC Universe with (Anime) Harem System