Friend or Foe (aka For the Love of God)
S7:E13
1974
IMDb
A packet of heroin goes missing, implicating Carl Reece and his partner Don Boyden in a possible cover-up. When Boyden is killed in a freak car accident, the evidence begins to point firmly at Reece, and Ironside and the team must prove his innocence before the DA decides to press charges.