How to Spot the Bad Guy

I usually don't explain confusing jokes. I just let them lay there and die a dignified death, but since several have asked, in the last panel I'm saying that I also stand corrected, because I said that Hollywood wouldn't (Hollywouldn't?) make a movie about a serial mugger.

Recently there was an auto-playing ad on my site. I have been assured it has been removed from the system. Please let me know if another one pops up.