Dakotah Quail-Dyer, Jessica Heeringa's fiancee, seems to be cleared in her disappearance. But could it be a former boyfriend?

[youtube http://www.youtube.com/watch?v=bBWXeG4NxNI&w=600&h=315] Jessica Heeringa disappeared a year ago Saturday from her job at an Exxon in Norton Shores, Michigan. This case has gotten a good share of national attention -- and with it, a lot of different theories -- but the basic concept is that she went missing on April 26, 2013 between 10:50pm and …