many people in russellville struggled to know what to think. their first impression was that kevin jones murdered nona dirksmeyer. did they believe this latest arrestee was the real killer? and could the state of arkansas prove it? >>> coming up -- gary dunn was the one on trial. so why did it seem as if kevin jones was as well? >> the first thing you get hit with is your son is on trial again. even though he's not on trial, he is. >> when "dateline" continues. "ds "ds there's a better choice. aleve pm. the only one to combine a safe sleep aid and the 12-hour pain-relieving strength of aleve. that dares to last into the morning. so you feel refreshed. aleve pm. there's a better choice. enterprise car sales and you'll take any trade-in?rom that's right! great! here you go... well, it does need to be a vehicle. but - i need this out of my house. (vo) with fair, transparent value for every trade-in... enterprise makes it easy. >>> kevin jones's parents had won and lost. they had won freedom for their son kevin but had lost a young woman they consi