The Disappearance of Jonelle Matthews

Jonelle Matthews was a 12-year-old girl who disappeared from her home in Greeley, Colorado, on the night of December 20, 1984, after returning from a school Christmas concert. Her father had dropped her off at home around 8 p.m. while he went back to pick up her sisters. When he returned, Jonelle was gone. The front door was unlocked and her boots were by the door, suggesting she had arrived home but then left or been taken. No signs of forced entry were found.

The case went cold for decades despite extensive investigation. It was one of Colorado's most prominent unsolved missing persons cases and was periodically revisited. In July 2019 — nearly 35 years after her disappearance — human remains were discovered at an oil and gas development site in Weld County, Colorado. DNA testing confirmed the remains were Jonelle's. The cause of death was determined to be a gunshot wound.

The discovery of her remains in 2019 reinvigorated the investigation. Investigators developed a suspect: Steve Pankey, a man who had lived in the Greeley area at the time of her disappearance, had moved away, and had made cryptic statements about the case over the years. Pankey was charged with murder in 2020. His trial in 2022 resulted in a hung jury. A retrial in 2023 also ended in a hung jury, and prosecutors subsequently dismissed the charges, leaving no one convicted of Jonelle's murder.

Jonelle Matthews's case illustrates both the advances and limits of cold case investigation. The discovery of her remains after 35 years brought closure of a kind to her family and established that she had been murdered, but the subsequent failure to achieve a conviction left the question of full legal accountability unresolved. Her case remains a profound example of the long reach of cold case investigation in the modern era.