our dogs were playing with something in the yard, and it was a human skull. >> pelley: mike vickers' south texas ranch lies on the smugglers' routes. >> vickers: i probably got 500 pictures of different bodies. we didn't find all of those. some of them were found by ranch hands, sheriff's department, different people. >> pelley: 500, over what period of time, roughly? >> vickers: since about 2004. >> pelley: what's killing them? >> eddie canales: the heat, and being unprepared. >> pelley: eddie canales works in the same county as mike vickers' ranch. >> he crossed in through piedras negras? >> yes. >> pelley: in 2013, canales founded the south texas human rights center, which helps rescue endangered immigrants, and helps identify the dead. we came across the bodies of two men who apparently froze to death during a cold snap the other day. >> canales: they were young men. they were 18- and 19-year-olds. one was from mexico and one was from el salvador. >> pelley: how often are bodies found around here? >> canales: last year, 61 bodies were recovered. >> pelley: that's the ones you know

mike vickers, we appreciate you here to share a different perspective than we have been hearing. vickers, you own a ranch along the southern texas border. what's your firsthand experience been with illegal immigration? >> well, gigi, thank you for having us, having me, and i have to say, the family units and unaccompanied children have been coming across our property and through texas for the past 30 years. this is nothing new and even the last administration was plagued with this same problem and thousands of these unaccompanied minors were flown all over the united states to be reunited with suspected family members or people that knew them, so this is nothing new. the sad thing about it is, you know, there are a lot of little bitty children and infants and even pregnant women fixing to have babies and we've had situations in our area where our border volunteers worked where the women delivered babies out in the brush. so it's just a real terrible situation, but you know, we're dealing with it. we're dealing with it. >> so you agree, it's a terrible situation but you spoke with