He is the one who took this iconic photo, for which he will win a Pulitzer if there is any justice in the world:
Chris Hayes just reported on MSNBC that Olson was arrested for going beyond an area where the police were trying to cordon off the media.
Here is another photo by Olsen that really captures what is going on in Ferguson:
6:27 PM PT: Here is an image of a document signed on Friday that is apparently an agreement not to arrest journalists:
so much for taking folks to court...
7:21 PM PT: Twitter is posting that Scott Olson has been released. Looking for other sources now.
7:29 PM PT: Here is the statement from Getty Images: