then years later detective donna velazquez tracked down david's killer. staggering new wrinkle. was david jackson's murder a family affair? once again here's keith morrison with "buried secrets." >>> david jackson was murdered in 1988 in florida. that much detective donna velazquez could say for certain, but the rest? after more than a year of phone calls and late nights, all velazquez could come up with was an increasingly complicated web of stories and relationships. david jaxson was married to barbara britton. her father didn't like him. barbara became the fifth wife of michael wolff, they divorced and he later married two more times, but now finally one of wolfe's ex-wives nancy was sitting with detective velazquez telling police she knew everything about what happened to david. >> can you tell me again. >> i know how he was killed and what they did with him. >> how did she know? according to the ex, michael drank, a lot. >> every night he would almost down a whole bottle of scotch. and i guess he just needed to talk. >> and the story wolf told, accor