This immediately reminds us of that episode back in the 2009 playoffs when cops were called to some kid's house because he said he was gonna kill Ovechkin or something on a message board.
Some site called Red Scarf Union is organizing a Matt Cooke Hate Fest. It actually sounds pretty serious. Wouldn't be surprised to see the local police notified.
Read more about this Hate Fest here.
The SenShot website is not a fan of the Hate Fest.