Video will catch a guy if cameras are of decent quality and properly installed (not like those images they show in news asking for help where you wouldn't even recognize yourself). I use this and these and am happy.
Happened to me, too. I guess if you're paranoid, fortifying, no matter how good it is, is of no help.
Being over-worrying type by nature, it could get to a dangerous condition with me after I've been burglared LOL But then I installed video security system that gives me hell of alarms that...