[Displaced Flames fan]

Originally Posted by jammies

'Cause he's way crazy? He hasn't been caught because he's organized and careful, but decades of success at anything and you start to believe you're infallible. His fight or flight instincts were triggered by seeing Lundy at his next kill site, and I guess we can see which side of that instinct immediately won out.

Additionally, I think there's an attraction to the person you know has been hunting you for years. BTK couldn't believe the lead detective on the case lied to him. He got almost as much out of the game of cat and mouse as he did killing his victims. I see this as a possibility for Trinity as well.