By analyzing the traces of saliva left in a tooth bite or on a coffee cup, lab experts could narrow the age of a criminalsuspect to a five-year range.
通过分析牙咬或在咖啡杯上留下的唾液痕迹，实验室的专家们可以把犯罪嫌疑人的年龄缩小到五年的范围之内。
2
A criminalsuspect has the obligation of bearing investigation, which should abide by the principle of appropriateness and the principle of procedural non-action.
犯罪嫌疑人负有忍受侦查的义务，但对其课以义务时应遵循适度性原则和程序性不作为义务原则。
3
Right investigation identification is helpful for finding investigation clues, shrinking investigation scope, clearing criminal suspicion or the cognizance of criminalsuspect.