Whoa, horrible to hear man! I've been on-and-off following your journeys and this is a big bummer. Hopefully you find it, and the cretin who did it ends up two blocks away where he belongs.
As a sidenote, good to see the twelve back. Here's hoping it holds up for you.
Sidenote 2: I'm the *worst* person about locking my bike up. This is a huge reminder that I need to change that asafp.