By Associated Press - Monday, June 29, 2015

RHINELANDER, Wis. (AP) - A teenager accused of killing her mother and stepfather has pleaded insanity in a northern Wisconsin courtroom.

Seventeen-year-old Ashlee Martinson pleaded not guilty by reason of mental disease or defect in Oneida County court Monday.

WSAW-TV (https://bit.ly/1Hr3y57 ) reports the court will appoint a psychologist to evaluate Martinson before her trial. Her next court appearance is Sept. 28.



She’s accused of fatally stabbing 40-year-old Jennifer Ayers and shooting 37-year-old Thomas Ayers at the family’s home in near Three Lakes last March. Investigators say Martinson confined her three sisters in a room before fleeing to Indiana with her boyfriend. Court documents say the Ayers were killed the same day they warned Martinson’s 22-year-old boyfriend to stay away from her because she’s a minor.

The sisters, ages 2 to 9, were not hurt.

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Information from: WSAW-TV, https://www.wsaw.com

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