He was discovered at age 14 by director
Larry Clark skateboarding at
Washington Square Park in
New York City. Fitzpatrick was trying to perform certain skating tricks, and every time he was unsuccessful, he would scream and curse. Clark later cast him as Telly, the central character in the film
Kids, then a supporting role in
Bully. He has appeared in numerous films since his work with Clark, including
Storytelling and
City of Ghosts. After finishing
Storytelling, he was cast in the
Robert Redford vehicle
The Last Castle (2001). Two days before filming was to begin, he was hit by a drunk driver, suffering severe nerve and muscle damage in his leg which left him unable to walk for a month, and he was dropped from the film. In 2000, he appeared in
Bam Margera's
CKY2K, and in
CKY3 the following year. From 2002 to 2004, he had a recurring role as drug addict
Johnny Weeks in the ensemble cast of the HBO series
The Wire. Following this he had a string of guest roles on television series including
My Name Is Earl (a recurring role),
Carnivale,
Law & Order: Criminal Intent,
Sons of Anarchy, and
Broad City. In 2013, he had a supporting role in the film
Cold Comes the Night starring
Bryan Cranston. == Personal life ==