PHOTOS: Anne Elizabeth McComb Swaney, 1976-2016
The I-Team reports that DNA samples from workers at the horseback riding ranch where Anne was staying have been sent to Washington, D.C., to be analyzed.
A person of concern in the murder is no longer considered a possible suspect.
Hundreds gathered to remember Anne in her hometown of Platte City, Mo., over the weekend. At the same time, a horseback ride was held in her memory in suburban Willow Springs.