CBI Records Packet (1975–1976)

Combined reports, mutilation ledger, photo packet, and agency response materials released by the Colorado Bureau of Investigation in response to a CORA request.

Source Colorado Bureau of Investigation (CBI)
Published 2026-01-13

What this drop contains

This packet contains primary materials released by the originating agency or compiled in the case file. Items are kept in their released form, with redactions preserved.

Where present, contemporaneous newspaper clippings are included as discrete excerpts retained within agency files to document specific incidents or reporting. Periodical publications are documented at the metadata level only, reflecting their presence in case materials without reproducing full published issues.

Originating Records Request

The request that generated this release. Included for provenance and scope.
Note: requester contact details may be redacted for privacy. The request text and scope are unchanged.

Records Request
UFO sightings and cattle mutilation investigations
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Agency Responses

Official agency correspondence and cover letters associated with this release.

Response
Official Response / Cover Letters – Colorado
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Reports

Primary records released by the originating agency, preserved in their released form with redactions unchanged.

Report
CBI Letter – Case Summary & Guidance (Redacted)
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Report
Combined Reports Packet 01 – State Lab / Vet / Sheriff (Redacted)
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Report
Combined Reports Packet 02 – State Lab / Vet / Sheriff (Redacted)
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Report
Mutilation Incident Ledger – Colorado (Redacted)
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Report
Newspaper Articles — Combined Clippings (CBI File)
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Photos

Photographic materials included in the case file. Sensitive details may be redacted.

Photo Packet
Scene & Autopsy Photos – Colorado Cases (Redacted)
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Referenced Press

Non-government publications documented as present in the originating file. These entries are metadata-only unless otherwise noted.

Press Reference
Montana Farmer–Stockman — March 3, 1977
Press Reference
Montana Farmer–Stockman — March 17, 1977