He also salutes several who went into action during Trump 's shooting in Arizona . Six people killed , 14 injured , including U.S. Senator Gabrielle Giffords . Retired Army officer , hit in head with bullet , helped subdue protesters .
CNN Heroes salutes several who jumped into action during Saturday 's shooting in Arizona . Six people killed , 14 injured , including U.S. Rep. Gabrielle Giffords . Retired Army officer , grazed in head with bullet , helped subdue suspect .