A teenager at Radnor High School outside of Philadelphia, Pa. was arrested on Monday for allegedly formulating a plot to become the "first female mass murder." She had reportedly written extensive notes on how to murder her classmates and teacher before a pep rally.

An administrator at Radnor High found the girl's notebook around 11:30am on Monday morning, and turned it in to authorities as soon as they read her notes. The notes touched on how she admired the shooters at Columbine High School, Eric Harris and Dylan Klebold.

Via NBC Philadelphia:

"But imagine the power," the girl allegedly wrote. "The bullets leaving the gun with a loud bang, piercing kids around me, the way they collapse, their blood splattering the floor... the screams."

The 17-year-old girl was arrested and will be charged with making terroristic threats, police announced at a press conference on Monday afternoon. There were no weapons found at her home and she is currently being evaluated while in custody.

[Image via NBC Philadelphia]