Three members of MS-13 and a convicted child sex predator were arrested on Monday in the Rio Grande Valley (RGV) Sector, Customs and Border Protection announced.
One of the arrestees, a Salvadoran national whose records showed she was a member of MS-13, was displaying COVID-19 symptoms and tested positive.
Another Salvadoran National was arrested by McAllen Border Patrol Station agents near Mission, Texas, and admitted that he was a member of MS-13.
Later in the day, Kingsville Border Patrol Station agents arrested six migrants near Sarita, Texas. One of them was a Salvadoran national who was an MS-13 member.
Another Salvadoran national was arrested near Roma, Texas, who was convicted of aggravated sexual assault of a child 27 years ago in New Jersey. He was deported from the United States after that arrest in 1994.
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Separately in Arizona, two other child sex predators were arrested in recent days.
Jose Vazquez-Ramirez, a Mexican national who was convicted in California of unlawful sexual intercourse with a minor under 16, was arrested by Nogales Station agents on Wednesday.
On Sunday, Mexican national Erasmo Galan-Palacios was arrested near Naco, Arizona. He was convicted of lewd or lascivious acts with a child under 14 in California in 2005, according to the CBP.
The arrests come as record numbers of migrants are apprehended at the southern border.
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More than 1.7 million migrants were detained at the border in fiscal year 2021, which ended in September. About half a million migrants were arrested between October and December of last year.