Cracker is a British crime drama series produced by Granada Television for ITV and created and principally written by Jimmy McGovern. Set in Manchester, the series is centered on a criminal psychologist (or "cracker"), Dr Edward "Fitz" Fitzgerald, played by Robbie Coltrane, who works with the Greater Manchester Police to help them solve crimes. The show consists of three series which were originally aired from 1993 to 1995. A 100-minute special set in Hong Kong followed in 1996, and another two-hour story in 2006. Wikipedia
Teacher: Please don't smoke sir, this is a school.
Fitz: That's where I started.