Man who returned fire at In-N-Out gunman had done firearm training after 2021 mass shooting The GuardianGunman Acted Alone in Idaho In-N-Out Attack, Authorities Say The New York TimesWhen gunshots rang out at a Twin Falls In-N-Out, this Idaho man shot back Idaho StatesmanDick’s Sporting Goods employee describes coming face to face with Twin Falls shooter KMVTArmed bystander distracted gunman in fatal In-N-Out shooting NBC News