IDW Plans to Kill Off a Long Time TMNT Supporting Character

Bleedingcool reports that as part of the ongoing story arc 'City Falls' a long time Teenage Mutant Ninja Turtle character will be killed off.

The full detail after the cut...


The rumor site reports that it's going to be Casey Jones that will be killed off during an encounter with the Shredder.

I seriously need to brush up on the stuff that's happening in this book. More importantly, where is April O'Neal in all of this?