Search expands for Colorado mother last seen on Thanksgiving

(FOX NEWS) - Colorado police are intensifying their search Sunday for a missing mother who was last seen Thanksgiving Day and whose phone reportedly pinged more than 700 miles away in Idaho days after she vanished.

Kelsey Berreth, 29, was last seen at a Safeway supermarket on Nov. 22 near her home in Woodland Park, nearly 90 miles south of Denver, police said.

Berreth's mother contacted Woodland Park Police three days later. Investigators conducted a welfare check and found no sign of her at her home.

Berreth's phone pinged three days after her disappearance more than 700 miles away in Gooding, Idaho, East Idaho News reported.