Hack
About Hack
When corruption charges strip him of his job, his family and his pride, former cop Mike Olshansky forges a new identity as a Philadelphia cab driver, patrolling the city as a roving vigilante who works with local police.
Hack is a crime series made for CBS. It ran for 2 seasons and 40 episodes between September 2002 and March 2004. That is around 20 episodes a season.
David Morse stars as Mike Olshansky, and Andre Braugher as Marcellus Washington. It was produced by CBS Productions and Pariah.
Shelv files it under vigilante, ex-cop, dirty cop, and taxi driver.
Knight Rider, Human Target, and Black Scorpion make useful companions to Hack.