/tʃeɪn ʌv ˈkʌstədi/ – Phrase
Definition: Quy trình theo dõi vật liệu hoặc thông tin từ nguồn gốc đến đích đến trong hệ thống pháp lý.
A more throughout explanation: the movement and location of evidence that may be used in a criminal prosecution, including the history of all those who have had possession of that evidence, from the time that it is obtained until the time that it is used in court
Example: Chain of custody records must be maintained to establish the integrity of the evidence.