SAUK VILLAGE | Authorities say the mother of a Sauk Village teen who was stabbed to death Saturday has been charged with first-degree murder.
Robin Erwin, 31, was charged Sunday with first-degree murder, according to a news release issued by Sauk Village police late Sunday.
Larry Gray, 21, was charged with unlawful use of a weapon by a felon and had a warrant for a parole violation.
The arrests come a day after Diontae Erwin, 17, of the 1700 block of East 223rd Street, was stabbed in the chest at his house, officials said. The stabbing was reported to police at 12:16 p.m.
Erwin was taken to Franciscan St. Margaret Health hospital in Dyer, where he was pronounced dead at 12:41 p.m. Saturday, according to a news release from the Lake County coroner's office. The death was ruled a homicide.
Sauk Village police did not release details late Sunday about what led to the stabbing.
Police said they found 130 grams of marijuana at the house.
Sauk Village police and the South Suburban Major Crimes Task Force are investigating the homicide.