Mob Rule

Flash mob culture turns dangerous on the streets of Philadelphia.
5:31 | 04/24/10

Coming up in the next {{countdown}} {{countdownlbl}}

Coming up next:

{{nextVideo.title}}

{{nextVideo.description}}

Skip to this video now

Now Playing:

{{currentVideo.title}}

Comments
Related Extras
Related Videos
Video Transcript
Transcript for Mob Rule

This transcript has been automatically generated and may not be 100% accurate.

{"id":10464516,"title":"Mob Rule","duration":"5:31","description":"Flash mob culture turns dangerous on the streets of Philadelphia.","url":"/Nightline/video/mob-rule-10464516","section":"Nightline","mediaType":"default"}