"person unknown" meaning in All languages combined

{
  "forms": [
    {
      "form": "persons unknown",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "persons unknown"
      },
      "expansion": "person unknown (plural persons unknown)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms where the adjective follows the noun",
          "parents": [
            "Terms where the adjective follows the noun",
            "Terms by orthographic property",
            "Terms by lexical property"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Criminology",
          "orig": "en:Criminology",
          "parents": [
            "Crime",
            "Sociology",
            "Criminal law",
            "Society",
            "Social sciences",
            "Law",
            "All topics",
            "Sciences",
            "Justice",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Law",
          "orig": "en:Law",
          "parents": [
            "Justice",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An individual yet to identified."
      ],
      "id": "en-person_unknown-en-noun-SJOYgqhS",
      "links": [
        [
          "law",
          "law#English"
        ],
        [
          "criminology",
          "criminology"
        ],
        [
          "individual",
          "individual"
        ],
        [
          "identified",
          "identified"
        ]
      ],
      "raw_glosses": [
        "(law, criminology) An individual yet to identified."
      ],
      "topics": [
        "criminology",
        "human-sciences",
        "law",
        "sciences"
      ]
    }
  ],
  "word": "person unknown"
}

{
  "forms": [
    {
      "form": "persons unknown",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "persons unknown"
      },
      "expansion": "person unknown (plural persons unknown)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms where the adjective follows the noun",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Criminology",
        "en:Law"
      ],
      "glosses": [
        "An individual yet to identified."
      ],
      "links": [
        [
          "law",
          "law#English"
        ],
        [
          "criminology",
          "criminology"
        ],
        [
          "individual",
          "individual"
        ],
        [
          "identified",
          "identified"
        ]
      ],
      "raw_glosses": [
        "(law, criminology) An individual yet to identified."
      ],
      "topics": [
        "criminology",
        "human-sciences",
        "law",
        "sciences"
      ]
    }
  ],
  "word": "person unknown"
}