Detective Don Flack
Flack bridges the gap between the old school NYPD and the new generation of CSI.
Played by Eddie Cahill
Season 1 - present
Detective Don Flack knows the streets of New York. Yonkers bred, a descendant from a long line of police officers, his future was never in question.
Working closely with Mac Taylor and his unit, Don bridges the gap between the old school NYPD and the new generation of CSI.
Carrying with him an intense hatred of the 'bad guy', his approach to solving crimes, while sometimes borderline, is nonetheless always effective.