A California teen accused of making hundreds of swatting calls and offering swatting-for-a-fee services pleaded guilty to making hoax threats to schools, religious institutions and government officials about mass shootings and bombings across the country.

LANCASTER, Calif. (WKRC) - Teen pleads guilty to making nearly 400 swatting calls across the nation. The Department of Justice announced on Wednesday that an 18-year-old California resident has pleaded guilty to making hundreds of swatting calls.

Alan Filion, believed to have operated under the handle “Torswats,” admitted to making more than 375 fake threats against schools, places of worship, and government buildings around the United States.