noun phrase · formal

chain of custody

/tʃeɪn əv ˈkʌstədi/CHAIN of CUS·to·dy

Band 7+speakingtask2

the documented process that records the handling of evidence to prevent tampering or contamination

Examples

Prosecutors must prove the chain of custody for the DNA samples.

A break in the chain of custody can make evidence inadmissible.

Chains of custody are critical in forensic investigations.

Band 8 sentence

The defence argued that a gap in the chain of custody compromised the lab results and therefore the prosecution's case.

Collocations

  • maintain the chain of custody
  • break the chain of custody
  • establish the chain of custody

Word family

custody nounchain noun

Common mistakes

chain of custody recordchain of custody

break chain of custodybreak the chain of custody

Say it for a higher band

5evidence record6custody record7+chain of custody

Synonyms

evidence trail

Easily confused

evidence trail

The detective followed an evidence trail that led to the suspect's car.

Related words

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