>> reporter: and heather wasn't the only one pointing the finger at thaddeus. halee's friends knew that she'd gone to see the baby's mom jordan the night she died. >> there's these messages the night she was murdered where she was messaging back and forth with jordan, hey, i'm going to go pick up my wallet from your house, late at night the night she was killed. so then that was the theory. she went, she told jordan, thaddeus killed her over it. >> reporter: investigators decided it was time to find out what thaddious and jordan knew. thaddious refused to talk to them. but jordan did. >> we did interview thadious girlfriend. she was -- she said they were home together all night at thaddious's brother's house. we checked out the surveillance video from that neighborhood. we were able to see halee come into the neighborhood when she was there to get her wallet, and we saw halee leave the neighborhood. but we never saw jordan and thad leave. >> reporter: it seemed like thaddious had a good alibi. heather worried that investigators seemed no closer to making an arrest.