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 might arc, 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. de. that's our promise. now, you can skip the line with walgreens express, get in and out quickly with 24-hour locations, or have your prescriptions delivered whenever you need us, we're always just minutes away. walgreens. before discovering nexium 24hr to treat her frequent heartburn, marie could only imagine enjoying freshly squeezed orange juice. now no fruit is forbidden. nexium 24hr stops acid before it starts for all-day, all-night protection. can you imagine 24 hours without heartburn? for all-day, all-night protection. big thing i recently learned as a parent? baby's skin is absorbent. he