A person believed to be the so-called Golden State Killer -- accused of 12 killings and 45 rapes across California from 1976 to 1986 -- is under arrest and in custody, FBI spokeswoman Angela Bell said Wednesday.
Authorities believe this serial rapist and killer may have kept his victims' jewelry and personal items as "souvenirs." View the entire series of Unmasking A Killer on CNNGo.