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.

A California teenager pleaded guilty to charges after allegedly phoning in hundreds of false bomb and mass shooting threats to schools, religious institutions and government officials across the nation,

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.

Alan Filion, 18, became a “serial swatter” for profit and entertainment and made more than 375 swatting and threat calls, federal officials say.

Filion, 18, of Lancaster, California, pleaded guilty today in Florida to four counts of making interstate threats, admitting to a spree of hoax calls that terrorized schools, religious institutions, and individuals across the U.

Alan W. Filion, 18, of California, called in false reports of bombings and mass shootings across the country, the authorities said.

Swatting is the practice of making a prank call to emergency services in an attempt to bring about the dispatch of a large number of armed police officers to a particular address.

A Lancaster teen accused of making hundreds of swatting calls and offer swatting-for-a-fee services pleaded guilty as part of a plea agreement.

A California teen has pleaded guilty to making "hundreds" of swatting calls in the state of Florida, the Department of Justice announced Wednesday.

An 18-year-old in California has pleaded guilty to making hundreds of swatting calls across the U.S., the Department of Justice says.