A 17-year-old boy from New Jersey on Monday pleaded guilty as an adult to one count of attempting to provide material support to a terrorist group for hiring a sniper to shoot the worldwide head of the Catholic Church.

Santos Colon Jr. of Lindenwold, N.J., entered the plea before U.S. District Court Judge Noel L. Hillman in Camden federal court, according to a Justice Department press release issued Monday evening.