Six-year-old American beauty queen JonBenét Ramsey was found beaten and strangled in the basement of her family's home in Boulder, Colorado.

JonBenét Patricia Ramsey was an American child who was killed at age six in her family's home at 755 15th Street in Boulder, Colorado, on the night of December 25, 1996. Her body was found in the house's basement about seven hours after she had been reported missing. She had sustained a fractured skull, and a garrote was tied around her neck. The autopsy report stated that JonBenét's official cause of death was "asphyxia by strangulation associated with craniocerebral trauma". Her death was ruled a homicide, and the case generated worldwide public and media interest.

Boulder is a home rule city in Boulder County, Colorado, United States, and its county seat. With a population of 108,250 at the 2020 census, it is the most populous city in the county and the 12th-most populous city in Colorado. It is the principal city of the Boulder metropolitan statistical area, which had 330,758 residents in 2020 and is part of the Front Range Urban Corridor.