Someone In Crowley Is Writing ‘AAC’ On People’s Cars – What Does It Mean? [Pictures]

Someone has been going around Crowley, writing "AAC" on people's car windows. It appears to be random, and is also a little strange. What does it mean, and why?

As of now, it's all a mystery, and by the look of the victim's comments on Facebook, they are NOT happy. Below are a few pics from Facebook showing the "AAC" tag. Any clue what this is all about?