"dead to rights" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "dead",
        "3": "",
        "4": "completely, utterly"
      },
      "expansion": "dead (“completely, utterly”)",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "to rights",
        "3": "",
        "4": "properly"
      },
      "expansion": "to rights (“properly”)",
      "name": "m"
    }
  ],
  "etymology_text": "US, 1854, originally New York City criminal slang, thence entered general use. dead (“completely, utterly”) + to rights (“properly”).",
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "dead to rights"
      },
      "expansion": "dead to rights (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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      ],
      "examples": [
        {
          "text": "Because of the video replay, the ref had him dead to rights on the penalty."
        },
        {
          "text": "have someone dead to rights on something",
          "type": "example"
        }
      ],
      "glosses": [
        "With sufficient evidence to establish responsibility definitively."
      ],
      "id": "en-dead_to_rights-en-adv-EqJnwWw6",
      "links": [
        [
          "evidence",
          "evidence"
        ],
        [
          "responsibility",
          "responsibility"
        ]
      ],
      "raw_glosses": [
        "(US, idiomatic) With sufficient evidence to establish responsibility definitively."
      ],
      "related": [
        {
          "word": "guilty as charged"
        }
      ],
      "synonyms": [
        {
          "word": "bang to rights"
        },
        {
          "word": "red-handed"
        }
      ],
      "tags": [
        "US",
        "idiomatic",
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-dead to rights.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/6a/En-au-dead_to_rights.ogg/En-au-dead_to_rights.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/6/6a/En-au-dead_to_rights.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "dead to rights"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "dead",
        "3": "",
        "4": "completely, utterly"
      },
      "expansion": "dead (“completely, utterly”)",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "to rights",
        "3": "",
        "4": "properly"
      },
      "expansion": "to rights (“properly”)",
      "name": "m"
    }
  ],
  "etymology_text": "US, 1854, originally New York City criminal slang, thence entered general use. dead (“completely, utterly”) + to rights (“properly”).",
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "dead to rights"
      },
      "expansion": "dead to rights (not comparable)",
      "name": "en-adv"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "related": [
    {
      "word": "guilty as charged"
    }
  ],
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        "English multiword terms",
        "English terms with audio links",
        "English terms with collocations",
        "English uncomparable adverbs"
      ],
      "examples": [
        {
          "text": "Because of the video replay, the ref had him dead to rights on the penalty."
        },
        {
          "text": "have someone dead to rights on something",
          "type": "example"
        }
      ],
      "glosses": [
        "With sufficient evidence to establish responsibility definitively."
      ],
      "links": [
        [
          "evidence",
          "evidence"
        ],
        [
          "responsibility",
          "responsibility"
        ]
      ],
      "raw_glosses": [
        "(US, idiomatic) With sufficient evidence to establish responsibility definitively."
      ],
      "tags": [
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        "idiomatic",
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  "sounds": [
    {
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      "tags": [
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  ],
  "synonyms": [
    {
      "word": "bang to rights"
    },
    {
      "word": "red-handed"
    }
  ],
  "word": "dead to rights"
}