Tory obviously had a screw loose. No wonder Kreese welcomed her so easily into Cobra Kai. They were both incredibly unstable levels of psycho. Tory should have been sent to Juvie for what she did to Sam during the school fight. She got off far too lightly for the damage she caused Sam physically and emotionally.
And she'd only gotten more psycho since.
"Do you want me and Johnny to stay while you talk to the police?"