Harrelson is the head of the Special Weapons and Tactics team, a unit trained to handle unusually volatile situations. His hard-nosed attitude about police work irks rookie Terry Webster. (This Rookies episode served as the pilot for the S.W.A.T. series).

Conclusion. Harrelson is the head of the Special Weapons and Tactics team, a unit trained to handle unusually volatile situations. His hard-nosed attitude about police work irks rookie Terry Webster.