Lilly Whitworth, 19, of Elbert, Colorado, United States was born William Whitworth. She was born male but she identifies as female.

From August 2014 to February 2015, Whitworth attended Prairie Hills Elementary School in Colorado Springs, Colorado. She went to Homeschool Academy in Colorado Springs from January 2016 to February 2016 and to Timberview Middle School in Colorado Springs from August 2016 to October 2016.

On March 31, 2023, the Elbert County Sheriff’s Office received a call from Whitworth’s sister. Whitworth made references to school shootings and was behaving violently that day, according to her sister.

That day, a Elbert County Sheriff’s Office deputy went to Whitworth’s house in Elbert and found her intoxicated while lying in bed in a room piled with trash. Her sheets were stained brown and there were holes in the wall.

When the deputy asked Whitworth why she wanted to shoot up a school, she said there was no specific reason. The deputy found a liquid used to clean firearms but did not find any weapons in the residence.

While searching the home, the deputy found a manifesto with names of mass shooters and political commentators and a copy of “The Communist Manifesto” by Karl Marx and Friedrick Engels. Also in Whitworth’s room was a notebook with instructions on how to make firearms using a 3D printer and how to make homemade explosives.

Whitworth had another notebook with a detailed list of people to be killed and a list of targets that included Prairie Hills Elementary and Pine Creek High School in Colorado Springs. There was also a whiteboard with a floor plan of Timberview Middle School.

The deputy arrested Whitworth and booked her into the Elbert County Jail in Kiowa, Colorado. On April 6, 2023, Whitworth was formally charged with menacing, criminal mischief, interference with staff, faculty or students of educational institutions and two counts of criminal attempt to commit murder in the first degree.

At 2:30 p.m. on May 5, 2023, Whitworth will attend her preliminary hearing. Her bond was set at $75,000.