Solved via Art & DNA NAMUS: UP6292 (SOLVED) • DOE NETWORK: 1UFNY • AGENCY CASE: LCSO-1979-1110 • JURISDICTION: Livingston County Sheriff's Office & FBI Rochester

Tammy Jo Alexander: Caledonia Jane Doe Solved via DNA

Restoring Cali Doe: How forensic art, a persistent childhood friend, and DNA identified Tammy Jo Alexander after 35 years.

Archival Case File Banner: Tammy Jo Alexander (
SECTION 1: THE OFFICIAL CASE RECORD (VERIFIED FACTS)
Official Case Date November 10, 1979 (ID'd January 2015)
Discovery / Last Seen Location Route 20 Cornfield, Caledonia, Livingston County, NY
Demographic Profile White Female, 16 Years Old (5'3", 120 lbs, Brown Hair)
Anthropological Age Estimate 16 Years Old (DOB: November 2, 1963)
Primary Investigating Agency Livingston County Sheriff's Office & Carl Koppelman
Forensic Identifiers Available Tan Corduroy Jacket, Route 20 Cornfield, Carl Koppelman Portrait Match

On the morning of November 10, 1979, a local farmer walking along Route 20 in Caledonia, Livingston County, New York, discovered the body of a young girl lying in a cornfield. She had been shot twice—once in the head and once in the back—during a violent overnight rainstorm. Known for thirty-five years as "Caledonia Jane Doe" or "Cali Doe," her unsolved homicide became one of the most famous unidentified decedent investigations in American history.

Discovery, Clothing Evidence & The Tan Corduroy Jacket

The victim was approximately 13 to 19 years old, 5 feet 3 inches tall, and 120 pounds, with wavy brown hair. Pathologists noted she had died just hours before discovery.

Investigators meticulously preserved her wardrobe: a distinctive red nylon-lined tan corduroy jacket with sherpa fleece lining, blue denim bell-bottom jeans, and turquoise-and-silver Native American handcrafted jewelry. Livingston County Sheriff John York made identifying the girl his life's personal crusade, keeping her case file on his desk for over twenty years and ensuring she was buried with dignity in Greenmount Cemetery under a headstone reading "Unidentified Girl."

Date / Period Jurisdiction / Entity Forensic Event & Milestone
Late 1979 Brooksville, Florida Sixteen-year-old Tammy Jo Alexander runs away from home; family assumes she started new life.
Nov 10, 1979 Caledonia, NY Body discovered in cornfield off Route 20; logged as NamUs UP6292.
2010 National Advocacy Forensic artist Carl Koppelman creates definitive digital photoreconstruction of Cali Doe.
Aug 2014 Hernando County, FL Childhood friend Pamela Dyson files missing report after searching for Tammy on social media.
Jan 26, 2015 Livingston Co. SO / FBI Mitochondrial DNA match confirms Cali Doe is Tammy Jo Alexander; active homicide hunt launched.
SECTION 2: PROMINENT COMMUNITY THEORIES & ANALYTICAL HYPOTHESES
Investigative Ethics & E-E-A-T Guarantee: This analytical section examines documented community theories, crowdsourced timeline comparisons from verified cold-case forums (Websleuths, Reddit r/UnresolvedMysteries, Doe Network), and geographic distribution models. In strict accordance with our nonprofit charter, no living unindicted private citizens are named or accused. All hypotheses evaluate physical markers, transportation corridors, and anatomical evidence.

Carl Koppelman's Art, The Social Media Search & The Serial Killer Trail

In 2010, forensic artist and advocate Carl Koppelman painted a high-definition digital portrait of Caledonia Jane Doe, correcting earlier distorted clay reconstructions. The portrait circulated virally across Websleuths, Facebook, and missing persons clearinghouses.

In 2014, Pamela Dyson, a high school friend of Tammy Jo Alexander in Brooksville, Florida, attempted to reconnect with Tammy. Realizing that Tammy's family had never filed an official police report because they believed she was living elsewhere, Dyson contacted the Hernando County Sheriff's Office. Detective Kimberly Lopez matched Dyson's description to Carl Koppelman's portrait in NamUs.

DNA testing conducted by the FBI Laboratory confirmed the match in January 2015. With Tammy's identity restored, Livingston County Sheriff's investigators have pursued interstate serial killer leads, focusing on long-haul truckers and convicted serial killer Christopher Wilder. The Livingston County Sheriff's Office offers a $10,000 reward for information leading to the conviction of Tammy's killer.

SECTION 3: LAW ENFORCEMENT SUBMISSION & OFFICIAL TIP LINE

Have Information Concerning This Investigation?

Even the smallest detail—a recollection of a vehicle, a seasonal acquaintance, or an old photograph—can provide the missing link to solving a multi-decade cold case. All leads submitted through official channels are cross-referenced with state databases and active forensic profiles.

Livingston County Sheriff's Office Tip Line
(585) 243-7100
Call Detective
FBI Rochester Field Office
(585) 546-2220
Call Agency
FBI ViCAP (Violent Criminal Apprehension)
1-800-CALL-FBI
OFFICIAL CASE CODES: NamUs: UP6292 (SOLVED) • Case Docket: LCSO-1979-1110. Reference these identifiers when submitting information.
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