His gut told him there was something amiss. Nothing unusual that he could put his finger on, just something ‘off’ about the apparently routine traffic stop. Instinct proved correct – and the feeling was more accurate than even Tustin Police Officer Joseph Cossack could have predicted. It all began when Cossack stopped two suspects in a reportedly stolen Chevrolet Impala in November, a seemingly routine event on an everyday shift. But the stop turned into one of the most unusual efforts in the field training officer’s 10-year career. Not only were the suspects driving a stolen car, but they were…