we had a lot of communication with detectives slinger during that time.o first thank some flyers for him, just to get some information on where she could've gone. >> we hit every bar we -- >> up and down that street downtown. >> why did you decide, we are going to be proactive. see if we can get any. clues >> we needed to find out what happened to our friend. i mean it's that simple. >> meanwhile, the detective, brian slinger, was about to search the house of nikki's live in boyfriend, doug. after learning the two had been arguing just hours before she disappeared. >> she accused him of being abusive, and one of the text messages from that night -- that was obviously alarming. >> and first, nothing seemed to be a mess. >> there was not a lot of signs of any struggle in the house. there was no break and faces, no broken tables, or anything like. that >> but after close inspection, they found a trail of intriguing clues >> there was some areas in the garage that concern. does >> specifically what appeared to be bloodstains on the floor. >> and then down in