Nij ( national institute of justice ) defines a backlogged case as one that has not been tested for 30 days after it was submitted to the laboratory .
国家司法局将积压案件定义为：向实验室提交30后还未得到检验的案例。
States also should be required to report the number of backlogged samples from crime scene evidence separate from backlogs of offender and arrestee samples .
