side, came from next cope the producer here mary murray saw him get off a jet ski into a car and drive of here. we're told by the authorities here that's a common practice. and i saw the guy going back up river on jet ski without anybody on board. i shot that picture as he was heading in with his passenger. that happens here all the time. >> where are the authorities? >> reporter: they were right there. to be honest with you, we saw a couple sit right there, the guy went by them. not sure how that happened. authorities are up and down here. you have to be fair in noting this is a big area, it's a rugged area, and they are coming in here in droves. i mean it. we saw the group this morning, we saw them last night, we saw them before. we -- all day long, the vans have been coming into the park from the border patrol to pick up people weep saw one group coming out, sitting in a pavilion, 25 of them. another van -- this is a constant flow, mostly of central americans coming into the united states. they're just walking in, they're flying in. >> mark, so many different ways that they are comi