noun
unidentified person; John Doe; Jane Doe
Formal term used in police, medical, or legal contexts for a person whose identity is unknown. Often used in news reports and official documents.
警察は身元不明者の遺体を発見した。
The police found the body of an unidentified person.
病院に運ばれた身元不明者の身元が判明した。
The identity of the unidentified person taken to the hospital has been confirmed.
Compound of 身元 (identity) + 不明 (unknown) + 者 (person).