siege. of the 378 border miles arizona shares with mexico, about 120 miles consists of 18-foot-tall pedestrian fences. most of the rest is lined with barriers like these. they keep cars and trucks out, but people? not really. i m in the united states. i m in mexico. right now you re in mexico. i m in mexico. this is still a crossing location. the reason why they cross here so much, if you look real hard, you can see a tower. one of those towers. see them through the tree? the border patrol surveillance towers. the illegal people know they can walk up right on this side, come through on this side and go up and the tower cannot see them. consequently, this country is overloaded by drugs and people coming through here. if it was up to you, would you have president trump s 30-foot wall right here? absolutely. absolutely. i d have trump s 30-foot wall plus a road right along the border so all the border patrol
control and manpower drove crossings in that sector lower. and that is basically what happened, those crossings shift ed over to thishere i rio grande valley sector, this is now the hottest place on the southern border. and this is part of the reason that chief padilla is down here. and when you talk about technology, infrastructure, manpower, we re talking walls, surveillance towers and old fashioned border patrol agents. what is new here which we should remind everybody is the fact that for the first time in a systemic way the trump administration has put into place the zero tolerance policy that anybody that crosses the southern border will be prosecuted. and when those happen, families are separated. parents are separated from their children. the parents go ultimately into federal court, children go into the custody of health and human services. and it is creating an overflow siion and that situation is frankly a manufactured crisis. it is not something that needs to be happening r
he just kept running. reporter: agent rudy garcia finds the men hiding underneath a platform in a back yard. you have to search every little crevice and every crack because they can hide anywhere. reporter: the migrant says he comes from southern mexico. not far from there, seven more would-be immigrants have been arrested including this 32-year-old man. before the night is over, agents say they will detain more than 300 people. this is nogales, arizona, a battle front in the fight against smuggling organizations. they like to try and operate under the cover of darkness because they think they aren t going to be seen. reporter: from a nearby control room infrared technology gives agents eyes in the dark. daylight reveals other resources like surveillance towers, vehicles, and an agent force that has more than doubled in the last ten years to more than 3400 for just over 250 miles
reporter: before the night is over, agents say they will detain more than 300 people. this is nogalas, aye arizona, a battle front. they try to operate under the cover of darkness because they think they won t be seen. reporter: from a nearby control room, infrared technology gives agents eyes in the dark. daylight reveals other resources like surveillance towers, vehicles and a source that has more than doubled to more than 3400 for just over 250 miles along the arizona border. agents say they re fighting a new enemy. the whole smuggling organization has change. it s not your mom and pop shop anymore. now everything is organized crime. reporter: one of the things you notice when you come near the fence at the border is that you find rocks everywhere. agents say that they re victims of attacks every day, and some rocks like this one can cause some real harm. suvs show the signs of damage and agents riding by cycles are
this is nogales, arizona, a battle front in the fight against smuggling organizations. they like to operate under the cover of darkness because they think they re not going to be seen. from a nearby control room infrared technology gives agents eyes in the dark. daylight reveals other resources like surveillance towers, vehicles, and an agent force that has more than doubled in the last ten years to more than 3400 for just over 250 miles along the arizona border. agents say they re fighting a new enemy. the whole organization has changed. it s not your mom-and-pop shop anymore. now everything is organized crime. one of the things you notice when you come near the fence here at the border is that you find rocks everywhere. agents say that they are victims of attacks every day and some rocks like this one can cause some real harm. suvs showed the signs of damage in agents riding bicycles are especially at risk. you can see those medium sized rocks to brick sized rocks. they re