Mother of missing Colorado woman pleads for answers

The mother of a missing Colorado woman has spoken about her daughter's mysterious disappearance, pleading for information.

Kelsey Berreth was last seen on Thanksgiving - November 22 – entering a grocery store close to her home in Colorado Springs.

The security vision is the last public sighting of Berreth, who was with her one-year-old daughter at the time.

The 29-year-old was reportedly seen by her fiancé, Patrick Frazee, later that day when he went to Berreth's home to collect their child.

Berreth was reported missing 10 days later by her mother, Cheryl, who says she's remaining hopeful for a good outcome.

"I still know somebody knows where she's at," Cheryl told NBC.

"Somebody has seen her. There's more information out there. Somebody just needs to realize, recognize, say something.

"In the back of mind, sure, there's a possibility something else could have happened.

"But it does me no good to go down that road. And I don't think it does Kelsey any good either."

Cheryl spoke to her daughter twice on Thanksgiving telling NBC, "Her voice was fine. It was a normal day for her".

"I can't think of anywhere she's gone where she hasn't told me.

"It's just not in her character to do something, to just take off and be gone."

The missing woman texted her employer three days later, on November 25, saying she wouldn't be at work the following week.

Berreth also texted her fiancé on the same day but investigators have not revealed the contents of that message.

Frazee's attorney has released a statement saying his client was cooperating with law enforcement.

He's voluntarily released his phone to be searched by investigators and has provided cheek swabs for DNA samples.

"I have no reason to believe he's a suspect, and the police have not isolated him as a suspect in this case," attorney Jeremy Loew said.