Search - Hard Rain

Divorced from an irresponsible studio musician, Jessie Shapiro barely manages to support herself and her daughter by restoring paintings. Suddenly, her daughter and ex-husband disappear. Jessie finds a warning on his answering machine, but later it's erased. Then her best friend, wearing Jessie's slicker, is run over. Jessie sees a sinister pattern, but the police dismiss her fears. As Jessie tracks her daughter across the United States, she uncovers a deadly secret from his college days during the Vietnam era. Hard Rain is a solid mystery/political thriller about a self-reliant average woman thrown without warning into a smoky conspiracy. Riveting.

I can't believe I haven't heard of this guy a long time before now. He's so much better all around than hacks like Cornwell, the Kellermans, and so on.