Sunil, I had a differant but similar enough problem to jump in here. First of all, we are not talking about the sharpest knives in the drawer. By being observant, I was able to figure out a pattern as to when I was getting "HIT". Thieves can be very repetitive. I set up a video camera (silent, no flash, video and sound are legal in court as long as it's on your private property)and caught the perp two days in a row at exactly the same time. The Police were laughing at how busted the perp was.
Just my two cents
Jimmy
