Will DNA Solve 1969 Zodiac Killings?

ByABC News
July 24, 2003, 3:26 PM

S A N   F R A N C I S C O, July 24 -- The Zodiac Killer who terrorized San Francisco three decades ago with coded messages and taunts to police has never been found. But now new technology DNA testing techniques he could not have imagined in 1969 could be the killer's undoing.