A girl from my middle school killed her mom

This happened years ago, I'm 24, this happened in 7th or 8th grade.

One girl from my middle school, her name is Jamie Silvonek, you can look her up, i think she got convicted at 16 or 17. But she convinced her then boyfriend to help her kill her mom. Its crazy, because not only did she sit in front of me in art class, but she dumped her mothers body in the river i used to swim in prior to that year. I think she gets released in like 5 or 10 years.