Woman faces charges in baby's death on Montana reservation

A sheriff's department vehicle is parked outside the house where 1-year-old Kenzley Olson was staying when she was beaten to death on Friday, April 22, 2016, in Poplar, Mont. A federal investigator says a woman beat to death the girl on a Montana Indian reservation and threw the baby's body into a dumpster. Janelle Red Dog appeared in Fort Peck Tribal Court on Friday in the death of Olson after she reportedly confessed and drew a map of where the body was located. (AP Photo/Richard Peterson) (The Associated Press)

A memorial is placed in front of the house for 1-year-old Kenzley Olson on Friday, April 22, 2016, in Poplar, Mont. A federal investigator says a woman beat to death the girl on a Montana Indian reservation and threw the baby's body into a dumpster. Janelle Red Dog appeared in Fort Peck Tribal Court on Friday in the death of Olson after she reportedly confessed and drew a map of where the body was located. (AP Photo/Richard Peterson) (The Associated Press)

POPLAR, Mont. – A woman is due in a tribal court in Montana on Tuesday to face charges in the alleged beating death of a 13-month-old girl under her care on the Fort Peck Indian Reservation.

Investigators say 42-year-old Janelle Red Dog killed Kenzley Olson and put her body in a dumpster before reporting her missing April 19.

That triggered an Amber alert for Kenzley in Montana and North Dakota. It was canceled after Red Dog purportedly confessed and led authorities to the girl's body.

Red Dog's lawyer has said she admitted to authorities that she struck Kenzley on three occasions. But defense attorney Mary Zemyan said it was uncertain if that's what killed the girl.

The baby's mother was in jail on unspecified allegations when she died.

Tribal officials haven't disclosed what charges Red Dog will face. Federal officials expect to file separate charges.