Another Justice Department study showed that the50 largest forensic laboratories received more than1.2 million requests for services in2002: the backlog of cases for these facilities had doubled in the course of one year.

• 司法部的另一份研究报告指出，在2002年，美国50个最大的鑑识实验室收到了120万件鑑定申请；这些实验室的积案，在这一年之内就增加了一倍。