. >> with nowhere else to go, david turned to his friend, jim ramsey, a veteran homicide investigatorith the houston police department. the two had known each other for years, but david never told jim about his sister's murder. >> i was shocked. i was amazed that anyone could hold that in and not talk about it. but if anyone could do it, it would be david. >> i saw no need to tell people about what had happened in my life. i wasn't looking for sympathy. >> david could have had just about anybody in the state of texas work that case. i really considered it, i guess, a privilege when he asked me to look into it. >> ramsey's first priority was to examine diane maxwell's clothing. >> if we could do the dna from the sexual assault and to get that and put it in the database, because now, all the offenders as they go to prison, they're taking dna samples. and we're getting a lot of cold hits on the dna database. >> but diane's clothing was gone. to their shock and dismay, it had been thrown away. >> over a period of years, i guess folks in the property room just had to make room for new prop