He was charged with murdering Parenteau, but the case was dismissed after he was convicted of killing Samsoe in 1979.

CNN: 'Dating Game Killer' extradited

Alcala was convicted of Samsoe's death in 1980 and sentenced to death, but the California Supreme Court overturned his conviction.

CNN: 'Dating Game Killer' extradited

Alcala was convicted in Samsoe's killing in 1980 and sentenced to death, but the California Supreme Court subsequently overturned his conviction.

CNN: STORY HIGHLIGHTS

He was charged with murdering Parenteau, but the case was dismissed after he was convicted of killing 12-year-old Robin Samsoe, also in 1979.

CNN: STORY HIGHLIGHTS