The mother of an autistic 12-year-old boy who was killed by an alligator has been arrested by New Orleans police.

Bryan Vasquez was found dead in a lagoon in New Orleans East on August 26. The cause of death was determined to be an alligator attack and drowning.

The boy's mother, Hilda Vasquez, is facing charges of second-degree cruelty to a juvenile and negligent homicide.

Bryan went missing on August 14. At around 3am that day, Hilda was woken up by her son who struggled to sleep at night, according to WDSU.

She took the boy back to his sister's room to go back to bed, and she gave him a melatonin sleep aid.