Protecting Shepard. If Shepard spends too long talking to Wrex without making any progress, Ashley shoots Wrex in the back on her own initiative, saying he was about to kill the Commander. Shepard can either be grateful for her help (Renegade) or furious that she acted without orders when Wrex was beginning to listen (Paragon). Either way, Kaidan gets angry at Ashley for what she's done, but Ashley claims it was a choice between Wrex or Shepard.