S.W.A.T. 8×17 Promo “The Enemy Within” Final Season

S.W.A.T. 8×17 “The Enemy Within” Season 8 Episode 17 Promo – When three of L.A.’s finest are targeted and gunned down in the street, the team enlist the help of an LAPD psychologist to stop a murderous rampage, reopening old wounds tied to the department’s failed response to a school shooting.