Originally Posted by OldJeff

I think you are worrying too much, chances are a smash and grab guy breaking car windows and taking bags is not going to take the time to find your address, and try to go into what you are describing as an apartment building.

Too many possible witnesses, etc, and too many other "bags left in cars to grab"

I am not trying to make light of your situation at all, sucks when your space get violated, just the chance of the theif showing up at your place is really small.