A previously deported illegal alien has pleaded guilty to strangling and drowning his ten-year-old cousin after attempting to sexually assault her in 2016 in Cherokee County, Texas.

Gustavo Zavala-Garcia, an illegal alien from Mexico, pleaded guilty on Thursday to murdering Kayla Gomez-Orozco, his cousin by marriage, in 2016 after the girl went missing, CBS Austin reports.

Court records released after the murder reveal gruesome details where Zavala-Garcia kidnapped Gomez-Orozco from a church service and attempted to sexually assault her. According to prosecutors, the illegal alien struck the girl in the head with a blunt object, then strangled and drowned her.

Gomez-Orozco’s body was found days later in a water well at the home where Zavala-Garcia had been living.

As Breitbart News reported, Zavala-Garcia crossed the U.S.-Mexico border illegally sometime after 2014, when he was first deported for violent crime charges, having been arrested twice for assault that year.

Zavala-Garcia will serve a life sentence without the possibility of parole for the murder.

John Binder is a reporter for Breitbart News. Follow him on Twitter at @JxhnBinder.