QUAY COUNTY, New Mexico — An elderly Lubbock couple was found dead near their vehicle in New Mexico after being reported missing during their Thanksgiving holiday.

An incident report released by the Quay County Sheriff’s Office is providing new insight into the timeline of events that led investigators to the couple, Gary and Linda Lightfoot.

Missing Texas couple found dead in New Mexico, hypothermia suspected (KVII)

Missing Texas couple found dead in New Mexico, hypothermia suspected (KVII)

The two were last seen traveling along Interstate 40 through the Texas Panhandle into eastern New Mexico.

Law enforcement also had contact with the couple’s vehicle in Santa Rosa, New Mexico later that night.

Missing Texas couple found dead in New Mexico, hypothermia suspected (KTXS/Alex Webb)

Missing Texas couple found dead in New Mexico, hypothermia suspected (KTXS/Alex Webb)

The last confirmed activity from their vehicle was detected in the early morning hours of Nov. 28.

On Dec. 2, deputies were dispatched around 10:28 a.m. after a ranch employee reported seeing a silver vehicle partially hidden on private property west of Tucumcari.

Missing Texas couple found dead in New Mexico, hypothermia suspected (KVII)

Missing Texas couple found dead in New Mexico, hypothermia suspected (KVII)

Deputies discovered the Lightfoots’ car off a small embankment with the trunk open and the battery drained.

Both Gary and Linda Lightfoot were found dead near the back of the vehicle.

Missing Texas couple found dead in New Mexico, hypothermia suspected (KVII)

Missing Texas couple found dead in New Mexico, hypothermia suspected (KVII)

The report indicated no visible signs of trauma or foul play, and law enforcement believes the couple died of hypothermia.

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Authorities say the investigation is ongoing.