I don't want any more civilians in the morgue with police slugs in them. I have enough paperwork as it is. 
Detective Comics #867 is an issue of the series Detective Comics (Volume 1) with a cover date of September, 2010.
Synopsis for "Batman: Impostors, Part I: Laugh and the World Laughs With You"
The four-part epic "BATMAN: IMPOSTERS" begins with this thirty-page adventure!
A call to arms has gone out through Gotham City, and normal, everyday citizens are being drafted into a bizarre battle. Will they side with vigilante justice or join the cause of chaos and anarchy? Only The Dark Knight can rein in the terror created by the villain known only as The Imposter. But what is The Imposter's true motivation for this gang war — and what's hiding behind his rictus grin? Be here to find out!
Appearing in "Batman: Impostors, Part I: Laugh and the World Laughs With You"
Featured Characters:
- Batman (Dick Grayson) (Flashback and main story)
Supporting Characters:
- Gotham City Police Department
- Commissioner Gordon
- Detective Bullock
- Hank (Dies)
- Micky
- Sherman
- Oracle
- Question
Antagonists:
- Impostor Batman
- Joker (Flashback only)
- Jokerz
- Impostor Joker
- The King (Dies)
Other Characters:
- Batman (Bruce Wayne) (Flashback only)
- Mayor Hady
Locations:
- Gotham City
- Batcave
- Blue Skies Mall
Items:
Vehicles:
Trivia
- The Mad Mobs are a DCU version of Flash Mobs.