Terror Squad was an American hip hop collective that was first established in 1998. Based in The Bronx borough of New York City, the members of Terror Squad collectively debuted on a song in member Fat Joe's album Don Cartagena. Terror Squad released its debut, The Album, in 1999, with its first major hit "Whatcha Gon' Do", credited mostly to Big Pun, who died of a heart attack in 2000.