A California woman's viral claim that her father is a serial killer has left the internet hooked — but investigators have found no evidence.

Music Box has acquired U.S. rights to "Zodiac Killer Project," Charlie Shackleton's true-crime documentary that premiered at Sundance Film Festival.

Director Chris Shackleton's film won the NEXT Innovation Award at Sundance and has played at SXSW, First Look, True/False, ...