[spectre]

What if he LIKES being the murderer of the decade?

I have no doubt he did it. But it's a stretch to assume he actually planned the murder this way.

Murder For Dummies... "I think I'll knife some girl to death in my OWN motel room". Oh, please.

[presently no screen name]

"I think I'll knife some girl to death in my OWN motel room". Oh, please.

He doesn't think - he acts on impulse. You are giving him credit he doesn't deserve.