Reid as unsub killing BAU team?

The new season of CM has sparked my interest again and I need help looking for a fic. It was about Reid going through some kind of trauma (maybe kidnapping) and then deciding to resign from the BAU and then going after and killing the BAU team one by one. I remember that he kidnapped Garcia and dumped her body in the woods and Hotch was the last to be killed (by a bomb?). It was quite a long fic and I'm open to any suggestions that are similar eg - Reid kidnapping/killing BAU team.

Thanks in advance :)