I'm guessing the other twitter account retweeted the photo, apparently within bounds of twitter's license. AFP then took that photo claiming "the pictures were

I'm guessing the other twitter account retweeted the photo, apparently within bounds of twitter's license. AFP then took that photo claiming "the pictures were posted for public distribution." Although they should have known that wasn't the case. Even if the other user did something wrong, AFP also did something wrong, and the did it knowingly (or they should have known, as it is their job)