While intercepting illegal border crossers, Border Patrol agents in the Rio Grande Valley recently arrested three convicted sex offenders and a gang member, the agency said. U.S. Customs and Border Protection (CBP) said in an April 12 statement that, within a period of 72 hours last week, agents carrying out enforcement duties along the border arrested an MS-13 gang member and three sexual predators, including one who had been convicted for aggravated sexual assault of a child under 14. On Friday morning, Border Patrol agents arrested a man from El Salvador near Brownsville, Texas, later identified as Nelson Guzman-Gomez. A record check revealed a conviction in Harris County, Texas, for aggravated sexual assault of a child under 14 years old, a crime for which he had been sentenced to five years in prison. Later that same day, agents apprehended a group of 14 illegal immigrants near Hidalgo, Texas. One of …