Jessica Runions, 21, was last seen Thursday night in the company of 27-year-old Kylr Yust in Raymore, Missouri. He was arrested on charges of "knowingly burning" her vehicle after she disappeared, according to police. Yust, who has a lengthy criminal record, was also questioned in connection with the disappearance of Kara Kopetsky in 2007. He has a history of volatile relationships with women, and reportedly claimed he has killed other people.
Click through the gallery for more photos of the missing woman. (Facebook.com/jessica.runions)