Jonelle Matthews disappeared on December 20th, 1984 when she was just twelve years old in Greeley, Colorado.
Her disappearance remained a mystery for decades and decades despite the efforts of her family, the community of Greeley and the Greeley police department.
Finally, in 2019 the case picked back up - come listen to Allison and Rachel discuss this case and all the suspects.
Sources
DATELINE - Footprints in the Snow - Feb 21st