Special to the Advance EDINBURG — U.S. Border Patrol agents from the Rio Grande Valley Sector arrested two illegal aliens who are convicted sex offenders near the U.S.-Mexico border this week, preventing dangerous individuals from entering our American communities.Mateo Pablo-Martin, 39, of Guatemala, was taken into custody by McAllen Station agents on July 14. Records indicate Pablo-Martin was convicted by the Riverside Sheriff's Office in February of 2018 for molesting a child under 18 years old. He was sentenced to 170 days in jail and 30 months' probation.In a separate incident, Fort Brown Station agents arrested David Antonio Varcenas-Aguilar, 45,