18-year-old Ashlee Martinson was sentenced Friday to 23 years in prison for the murder of her mother and stepfather.

After serving her prison time, Martinson will be on extended supervision for 17 years.

Judge Michael Bloom said Martinson had a choice, despite the abusive environments she was forced to live in.

In March 2016, she pleaded guilty to shooting her stepdad, 37-year-old Thomas Ayers, then stabbing her mother, 40-year-old Jennifer Ayers to death.

Court documents reveal Jennifer Ayers was stabbed more than 35 times.

The killings happened in March of 2015, when Martinson was 17.

Prosecutors asked Oneida County Judge Michael Bloom for 20 years on each count of second degree homicide. District Attorney Michael Schiek painted the picture of Martinson being a violent teen who showed no remorse for what she did. Schiek called her emotions "crocodile tears" and said her statements to law enforcement and a doctor contradicted each other.

After a short recess, the defense laid out its argument. Defense attorneys said Martinson lived in an abusive environment. The courtroom watched a video of testimony from acquaintances, friends and family of Thomas, Jennifer and Ashlee, who describe Thomas Ayers as an abusive person and Jennifer as a bad mother.

The defense asked Judge Bloom for a much lighter sentence of 8 years.