Not R advice, but as far as the locks:

Change them to one of those bluetooth locks. He can get in with his smartphone (and access can be limited by time/day) and/or give notification when he is there.

Me: 43
M: 10y
S:15
ILYBINILWY 2/18/13
W moved out 2/18/13
Filed for D: 2/17/13
Got DB: 2/20/13
Got DR: 2/23/13
180 & LRT Began: 2/25/13
D Final Dec '13