behalf of parents of children who say the government subjected them to lasting psychological trauma. near the homeland security or justice departments are commenting so far. operation lone star is working to beef up xas side of the southern border tonight. as the migrant caravan with 3,000 travelers, at least, heads knot through mexico government correspondent dan springer has an update tonight. >> in roma, texas, an exclusive look at a human smuggling operation. a mexican cartel member stands on the u.s. side of the rio grande coordinating with partners just across the river in mexico. this is after they already transported around 150 migrants on rafts. migrants who immediately turned themselves in to the u.s. border patrol. most will be processed and allowed to stay in the country because they are either part of a family unit or unaccompanied minor. >> it happened here in the rio grande valley where according to the cbp record 150,000