Speaking of 'caught in the act' we had a school the other day that was broken into overnight by some students.
Once they gained entry, they proceeded to urinate on all of the office furniture and of all the things - the timeclock. (Mind you this is a $2500 timeclock) From there, they decided to grab a couple of fire extinguishers and proceeded to empty them into several classrooms.
Needless to say, yes they were 'caught in the act' thanks to the silent alarms.
The worst part about all of this - they were 6th graders.