people here in los angeles know that you kind of just stay out of things. the security guard didn't have a badge on and didn't have a uniform, so it could have been two rival gangs going at each other. i imagine some of the bystanders thought that this was some reality show or something. so, you turn to -- you tend to get blase out here when you see things like this because there is somebody filming this or one of those practical joke shows or something like that. eventually they picked alejandro up, he got up. they quit choking him and then they took him back into the store. and at that time the video stopped because the person taking the video wasn't allowed to go into the store and follow. >> although he felt helpless while alejandro was in the choke hold, joshua uses the power of his video to help. he posts the video online and calls local news stations. >> within a couple days that the