but it wasn't rick gagnon. with that, the jurors filed out to deliberate. is attorneys, and the woman many felt to be at the heart of it all, held her breath. >>> coming up, the jury renders its verdict. >> i didn't know what to think. i didn't know what to think anymore. >> but this isn't the end of a case because finally investigators learn who left those mysterious blood drops at the crime scene. >> he said they identified the killer. >> when "dateline" continues. ♪harry's meeting clients...♪ ♪...from far away. but they only see his wrinkles.♪ ♪he's gotta play it cool to seal the deal.♪ ♪better find a way to smooth things over.♪ ♪if only harry used some... ♪...bounce, to dry. ♪yeah! ♪he would be a less wrinkly, and winning at life.♪ with uncontrolled moderor atopic dermatitis, you never know how your skin will look. and it can feel like no matter what you do, you're itching all the time. but even though you see and feel your eczema on the surface of your skin, an overly sensitive immune system deep within your skin might actually be causing your eczema. s