Authorities report that a Harlingen teen behind bars for aggravated sexual assault of a child met the underage girl on Facebook.
Harlingen police arrested 18-year-old Justin Alexander Lugo over the weekend.
Investigators told Action 4 News that Lugo met a 14-year-old girl on Facebook and invited her to watch a movie at his home back in January.
The girl TMs mother decided to file charges on Thursday after learning that her daughter and Lugo had sex.
Detectives arrested Lugo on Friday.
The Harlingen teen remains in custody at the Cameron County Jail under $150,000 dollars in bonds.
Court records show that a Lugo is also facing charges for violating the terms of his probation on a past resisting arrest charge.