Right investigation identification is helpful for finding investigation clues, shrinking investigation scope, clearing criminal suspicion or the cognizance of criminal suspect.

正确地进行侦查辨认，有助于发现侦查线索，缩小侦查范围，澄清犯罪嫌疑或认定犯罪嫌疑人。

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The Arizona law, which was signed into law last Friday,requires police to ask for identification from anyone they suspect of being an illegal immigrant.

VOA: standard.2010.04.28

Police said the suspect had forged identification and they used facial recognition technology to determine his true identity.

CNN: New York slaying considered hate crime

If it had cause for concern about the age of any user - whether it thought they might be older or younger than claimed - it said it would suspend the suspect account and only reactivate it after seeing official government identification.

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Some federal sources said it was even too early to say investigators had identified the suspect, but several sources in Boston told CNN that they have a clear identification.

CNN: Sources: Possible suspect sought in Boston bombing