so you don't hit them when you dig. call 811 before you dig, and make sure that you and your neighbors are safe. separated, many are still taking the risk of crossing the border illegally, undocumented. ed lavandera is at the border town of reynosa, mexico. can you tell us about what's on the ground? >> reporter: this is the town of reynosa just across the border south of mcallen, texas, this is the hacienda de vida. it's been here 18 years and we were talking to the pastor who runs this particular shelter and he says things have changed quite dramatically here in the