NYC Subway Slasher revealed!

For those of you that haven't heard, a crazy person attacked and killed a female pyschologist in her office on the UES, cutting her up with a butcher knife and then attacking two other people before fleeing.

The police released a sketch of him:


They were unable to identify him, as the killer's face didn't show up in any of the standard databases of known criminals. However, thanks to my connections, I was able to run the face through another database which quickly found a match:


Oh Bill, how far you've fallen...