Now, if the crowd were all locked up in the "garage party", then the perp could have just walked in and up the stairs and out the front door. All kinds of theories in this case :~)
sw
This may be about HAVING to take the chance, and not about "wanting" to take the chance.
"Unless he is skirting the buildings and keeping in the shadows away from the street light."
There's a shot of the streets where the van Dam's live on post #3, I don't see any street lights there.