LANCASTER, Calif.–A month-long investigation resulted in the arrest of four juveniles charged with tagging, authorities said today.

The arrests by the Lancaster Sheriff’s Station “CORE Team” arrested the four 14-year-old boys believed to be responsible for more than 400 taggings in Lancaster, according to a news release from the station.

The boys are all members of the same tagging crew, who primarily targeted Lancaster city property as well as Cole Middle School and Eastside High School, causing about $200,000 damage, the release stated.

The boys are being charged with felony vandalism, according to the release.