More than a month after Colorado mom Kelsey Berreth vanished, investigators say they believe she is dead. Here's a timeline of the events leading up to the arrest of her fiance, who is charged with her murder. It all started on Nov. 22, Thanksgiving Day. Surveillance footage shows Kelsey with her infant daughter entering a Safeway supermarket in Woodland Park. InsideEdition.com's Mara Montalbano (https://twitter.com/MaraMontalbano) has more.