I have a friend from high school....used to sneak in and out of the house through various routes. One night....trying to get back in......the window was locked......OK he said.......i have that skylight over the den "just set in place"..........dogs in the house heard him lifting it off......his dad woke up.......confronted him at flashlight/pistol point through that skylight. My friend is lucky he didn't get shot..........the homeowner exercised some serious fucking discipline.