halloween moon, and at least one person may have used a costume to try to hide his true identity, a murderer. that weekend before halloween here in grand forks heather eastling and her boyfriend, joel lovelien, were putting on costumes, getting ready to go out. >> it was a nice night, a nice night with friends. >> he dressed up as a hockey fan, wearing his favorite green jersey. >> i dressed in a mechanic's outfit. a friend of mine texted me and said meet us at the broken drum. >> the broken drum, half casino, half bar. heather and joel had a lot to celebrate. she had just moved here from texas after dating long distance. it was nearly love at first sight. >> how long did you go out with joel before you realized this is the guy? >> a week. >> that's it? >> yeah. he was taken aback when i told him. i said, i'm going to marry you,