. >> reporter: despite nonstop searches, no sign of lee sa. her body was found three days after she disappeared, 75 yards in the woods. she was partially covered with branches, she had been beaten to death. >> one of her classmates found what looked to be a foot covered. >> she died from blunt force trauma. we did recover dna from the scene. we have a dna profile. >> there have been no matches so far. >> we believe it was a chance encounter. she met the wrong person at the wrong time. >> reporter: these have been 23 years of agy. >> i promised her, at the funeral, i would search until i found who did this. >> reporter: even now, she pleads for anyone with the slightest piece of information to come forward. >> we are her voice now. her voice went silent by a perpetrator. we are her voice. even the smallest thing you think isn't important could lead us to who did this. >> if you have information that might help close the case, the detectives would like you to call 866-411-tips. >>> an emotional john travolta told the jury about his efforts to sa

. >> my name is lee sa. i'm from fayetteville, north carolina.always use an excuse that you can if cigarettes don't kill me, oh well - something else will. but, you can't use that as an excuse. i honestly loved smoking, and i honestly didn't think i would ever quit. it was very interesting that you could smoke on the first week. chantix gave me that extra help that i needed to get through a tough time. (announcer) chantix is a non-nicotine pill. in studies, 44% of chantix users were quit during weeks 9 to 12 of treatment, compared to 18% on sugar pill. it is proven to reduce the urge to smoke. i did have an unopen pack of cigarettes in my purse and then i think i opened my purse and realized it was still there. and i said, "what the heck, i don't need these..." ...i said, you know, "bye, i don't need you anymore, you're not my crutch, i don't need a crutch." (announcer) talk to your doctor about chantix and a support plan that's right for you. some people have had changes in behavior, hostility, agitation, depressed mood and suicidal thoughts or

aid is rushing in to the sa moas where americans are among the injured and dead chltd it's where we begin our coverage tonight with nbcs lee cow wan. >> reporter: the death toll topped 100 and at least one american is among them. the samoan officials say -- where the water stretched more than a mile inland. >> one monther wave after another, sum as high as 20 feet rushed ashore with a force that was terrifying. the bodies of those unfortunate enough not to get to high ground. >> oh, my goodness. >> children were carried to the streets. >> boom. it was right there on top of us. we were telling people to take high ground. a lot of people were willing to save their lives. >> reporter: american samoa, family members searching for the missing, broadcasting their names on the radio. 60 miles away in samoa, was just as bad. the roads reaching in and out were gone. cutting off those in the most need in rescue and medical aid. >> it's depressing to me, personally. i am trying to come to terms with it. >> reporter: samoa and american samoa lay 150 miles away from the epicenter of the 8.0 quake. it shook for three long minutes yester