A converted cop who stuck around would be a great character. Everybody in the Payday gang is a tough-as-nails badass who commands respect, it would be great to get a butt monkey who the others don't care about. It's the same reason the abusive Hoxton/Houston relationship is so popular.

Petition inspired by Jerry, the hapless cop from CuteClams' comics on the Payday subreddit: https://www.reddit.com/user/CuteClams/submitted/