chief birdsell was there. >> when she saw me there, she appeared to be very surprised.o be there. >> but which one was arrested for the murder of stephen watkins? shirley the matriarch or jennifer, the mom embroiled in a custody battle? coming up, it turns out one of them had strange marks on her hand the night of the murder. >> two lines? >> two lines. >> consistent with firing that type of weapon. >> consistent with firing this type of weapon. >> when "dateline" continues. feel the cool rush of claritin cool mint chewables. powerful 24-hour, non-drowsy, allergy relief plus an immediate cooling sensation for your throat. feel the clarity, and live claritin clear. now, we all know progressive offers 24/7 protection, but we also bundle outdoor vehicles with home and auto to help people save more! [ laughs ] ♪♪ [ humming ] [ door creaks ] oh. [ soft music playing ] what are you all doing in my daydream? it's better than that presentation. a lot better. you know, whether it's a fraction or a decimal, it's still fun, you know? trelegy for copd. ♪ birds flyin' high, you know