Fairfax County police is looking for a man suspected of making threats to a school.

18-year-old Ishmael O’Brien Lionel Harrison is wanted for one threat of threats to commit serious bodily harm to persons of a school property, and another for possession of child porn.

New information released on Sunday by police said that Harrison's home was searched on March 2, leading to the discovery of rifle ammunition. At this time, police say they will be providing enhanced security to Fairfax City schools.

Harrison is described as a black male, about 5’7” and 170 pounds. He has brown eyes and black hair. He is known to operate a black 2002 Acura RSX 2-door. The Virginia registration is VZY-8467.

He is considered armed and dangerous. Anyone with information is asked to call police at 703-385-7924.