. >> this got this blue yamaha bike up to 186 miles per hour. look at him go through traffic. >> splitting between cars going 186? >> you know, it's not so much his riding ability, because he looks like he is quite the rider, you just never know, news cars have no chance of seeing you coming up because you're going so fast, somebody just needs to switch lanes and you're done. police are trying to figure out who posted this video. it's by a user named joe blow, he is very lucky he didn't injury or kill anyone else out there on the road. >>> the crowd is growing, but this is no flash mob. >> they're doing a flash rob. >> in waters off hawaii, a life and death rescue attempt. >> at this point he is under >>> this is a flash mob at a nordstron store in portland, but instead of a surprise performance, they're doing a flash rob. >> they have gotten caught, right? they look like they're up to no good and their hiding their face. >> they have not caught these suspects. they got away with about $550 worth of northface jackets. >> you can clearly see so m