The father of an 18-year-old Maryland high school student charged with raping a classmate was arrested for being in the country illegally, U.S. Immigration and Customs Enforcement officials said.

Adolfo Sanchez-Reyes, 43, was arrested Friday, ICE spokeswoman Sarah Rodriguez told Washington D.C.'s Fox affiliate.

A review of his immigration history "revealed he was unlawfully present" in the U.S. from Guatemala.

His son, Henry Sanchez-Milian, is one of two teenagers charged with first-degree rape and first-degree sexual offenses after a 14-year-old girl accused them of forcing her to have sex in the boy's bathroom at Rockville High School in Montgomery County.

Sanchez-Milian was also in the U.S. illegally, according to authorities. He had been detained by U.S. border patrol in Texas in August.

The 18-year-old's attorney said Sanchez-Milian had been detained for 12 days, "but then ICE made the discretionary decision to simply let him go."