GREAT FALLS, Mont. (AP) — A 42-year-old Montana woman has denied federal murder charges based on accusations she killed a 13-month-old girl and put the baby's body in a dumpster.

Janelle Red Dog of Poplar is accused of killing Kenzley Olson on the Fort Peck Indian Reservation in April.

She pleaded not guilty Thursday to first-degree murder under the felony murder rule, second-degree murder and child abuse.

Red Dog also denied a charge of being an accessory after the fact, for allegedly covering up for an unnamed man's aggravated sexual abuse. Her

Red Dog was charged earlier in tribal court and now faces a potential life sentence under the federal charges. Her trial was scheduled for Nov. 21.

She was turned over to federal custody and reserved the right to ask for a detention hearing. Federal public defender R. Hank Branom declined comment.