EDINBURG — Rio Grande Valley Sector Border Patrol agents arrested four sex offenders.On Jan. 7, at approximately 3 p.m., Rio Grande City Border Patrol Station agents arrested Edgar Antonio Barajas-Granados, a registered sex offender, in Roma. Barajas-Granados was arrested in Corpus Christi for continuous sexual abuse of a child under the age of 14. Later that year, the 20-year-old was convicted of aggravated sexual assault of a child and sentenced to 300 community service hours and 10 years’ probation. The Mexican national has a lengthy criminal record and has been previously removed from the United States.On the evening of Jan.