After arresting me, may the police make me provide fingerprints,

After arresting me, may the police make me provide fingerprints, a handwriting sample, or a voice example?

Generally, the police are permitted to force you to supply these. They will take your fingerprints during the booking procedure at the police station. The law considers handwriting samples and voice examples evidence of physical characteristics. Therefore, you may not claim that the police are forcing you to incriminate yourself through these identification procedures. The police may use these samples as evidence against you in court if they help prove that you committed a crime. For example, your handwriting may be compared to the signature on a forged check or to the writing on a note handed to a teller in a bank robbery.
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