Back on April 1st, Warner Bros. "caught" fans of the viral marketing game for The Dark Knight with a trick on Fans expected a message from Heath Ledger's Joker, but were instead caught by Gary Oldman's Commissioner Jim Gordon.

Now, e-mails have been sent to those who left their addresses at The message reads as follows:

My friend,

Indictments are about to be handed down. If you don't want your name on one, we'll need your full cooperation in an upcoming operation.

In case you haven't heard, we are struggling with a bit of corruption in the department. I'm not about to let the Gotham PD collapse in on itself, so we're taking action. We've identified a group of offenders that need to be apprehended. Problem is, most of these cops are hightailing it out of the city. But a C.I. just like you just gave us some information on their last known whereabouts. Now all we need is to catch them. This is where you come in.

Consider yourself on deck. I'll contact you next week, and let's just say it's in your best interest to play along. County's not a place you want to spend the rest of your life.

Lt. Jim Gordon, MCU

It should be fun to see what comes next from the viral marketing masterminds hard at work on The Dark Knight.