>> the officer followed the blood down an embankment of a herbally wooded area where he found kathy lawyeric barely alive in a pool of blood. >> you recognized with the way her clothes were arrange and disheveled that she most likely had been sexually assaulted and she needed medical attention. >> kathy was rushed to the hospital, but she died en route. >> kathy had several major lacerations on her head. we believed to be the weapon was found near kathy's body. the weapon was a fence post, 2, 2 1/2 feet long, we believe. >> although kathy was using her cell phone when the attack occurred, the gfters couldn't find it anywhere near he body. when police check heard cell phone records, they discovered that someone had used her cellphone after the murder. >> one of the calls was a juan sanchez. >> investigators tracked 33-year-old want sanchez to his residence and there they found kathy's cell phone in his possession. but sanchez claimed he found the phone on the jogging path. >> he explained to us that he was riding his bike on the canal trail and he found the cell phone. he decided to use it fo