Thanks for the updates.

People littering on someone else's home ground indicates very low character. Now that you've got a line on this d-bag's patterns, you can start to see how best to deal with him.

I assume it was a weekday when the douche was at your place around noon?

Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."