[Yo-Yo]

while police REFUSE to say how he got into 'hardened' building because it would 'give a blueprint' to future killers

No, idiots, you identify how he got in and you ELIMINATE THE SECURITY HOLE AND ADVERTISE AS MUCH so there are no future killers.

[EastTexasTraveler]

He probably just opened the door and walked in, and that is why they will not say.