The forensics department, however, questioned the eyewitness accounts. How could the six slugs and eight casings found at the scene have come from a single gun? Says Weng, "It was clear that more than one gun had been used, and it seemed quite possible that there could have been a second assailant."
但當時鑑識科比對案發現場「六個彈殼，八個彈頭」後發現，案子「絕非同一把槍所做，是兩把槍，說不定是兩個人所做」，翁景惠說。