Conviction June 20, 1979 Homicide

Robin Samsoe

Twelve-year-old Robin Samsoe disappeared on June 20, 1979, while riding a bicycle to ballet class in Huntington Beach, California; her remains were found 12 days later in the San Gabriel Mountains. Rodney Alcala, known as the "Dating Game Killer," was convicted of her murder three times, in 1980, 1986 and 2010, and was sentenced to death in 2010. He died on death row in 2021.

Status
Conviction
Type
Homicide
Date
June 20, 1979
Location
Huntington Beach, California
Age
12
Gender
Female
Decade
1970s
Where the case stands
  1. Open
  2. Partly resolved
  3. Charges or trial
  4. ClosedConviction

At least one person was convicted in connection with the case.

Timeline to scale
Each dot is a dated event below; the distance between dots is elapsed time. The darker dot marks the incident.
June 20, 1979: Robin Samsoe disappears while riding a bicycle to ballet class after she and a friend were approached by a man with a camera.July 2, 1979: Her remains are found in the San Gabriel Mountains foothills in the Angeles National Forest.July 24, 1979: Rodney Alcala is arrested.1980: Alcala is convicted and sentenced to death.1984: California Supreme Court reverses the conviction.1986: Alcala is convicted and sentenced to death a second time.2001: Federal district court grants habeas relief; the Ninth Circuit upholds this in 2003.February 25, 2010: Jury convicts Alcala of the Samsoe murder and four other murders.March 9, 2010: Jury returns a death verdict.January 7, 2013: Alcala is sentenced in New York for two murders to which he pleaded guilty in December 2012.July 24, 2021: Alcala dies of natural causes while on death row.1979202142 years from incident to latest development
California
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Robin Christine Samsoe, 12, lived in Huntington Beach, California, and studied ballet. On June 20, 1979, she and a friend were at the beach when a man approached them and asked to take their photographs, according to Wikipedia's account of the case and the police publication Behind the Badge. Later that afternoon Robin borrowed a friend's yellow bicycle to ride to her ballet class and never arrived.

Twelve days later, on July 2, 1979, her remains were found in the foothills of the San Gabriel Mountains in the Angeles National Forest, about 50 miles north of Huntington Beach, CBS News and Wikipedia reported. Detectives circulated a sketch of the photographer based on the girls' descriptions, and Rodney Alcala's parole officer recognized him. Alcala was arrested on July 24, 1979.

Alcala was convicted of Robin's murder and sentenced to death in 1980. The California Supreme Court reversed that verdict in 1984 because jurors had heard evidence of his prior sex crimes against children. He was convicted and sentenced to death again in 1986, but a federal district court granted habeas relief in 2001, and the Ninth Circuit Court of Appeals upheld that ruling in 2003, according to CBS News and Wikipedia.

For a third trial, prosecutors joined the Samsoe charge with the murders of four women in the Los Angeles area between 1977 and 1979: Jill Barcomb, 18, Georgia Wixted, 27, Charlotte Lamb, 32, and Jill Parenteau, 21, with DNA evidence used in at least one of those cases. Evidence included a pair of gold ball earrings found in Alcala's storage locker that Robin's mother testified belonged to her daughter, KSAT reported. Huntington Beach detective Steve Mack, who took over the case in 2003, helped build the retrial, according to Behind the Badge. Alcala represented himself. On February 25, 2010, a jury convicted him on all counts, and on March 9, 2010, after deliberating about an hour, the jury returned a death verdict.

In December 2012 Alcala pleaded guilty in New York to the murders of Cornelia Crilley in 1971 and Ellen Hover in 1977 and was sentenced to 25 years to life in January 2013. He died of natural causes at a hospital in California's San Joaquin Valley on July 24, 2021, at age 77, while still on death row, according to the Associated Press as published by KSAT. California had a moratorium on executions at the time.

childserial killerDating Game Killer1970s
  1. June 20, 1979
    Robin Samsoe disappears while riding a bicycle to ballet class after she and a friend were approached by a man with a camera.
  2. July 2, 1979
    Her remains are found in the San Gabriel Mountains foothills in the Angeles National Forest.
  3. July 24, 1979
    Rodney Alcala is arrested.
  4. 1980
    Alcala is convicted and sentenced to death.
  5. 1984
    California Supreme Court reverses the conviction.
  6. 1986
    Alcala is convicted and sentenced to death a second time.
  7. 2001
    Federal district court grants habeas relief; the Ninth Circuit upholds this in 2003.
  8. February 25, 2010
    Jury convicts Alcala of the Samsoe murder and four other murders.
  9. March 9, 2010
    Jury returns a death verdict.
  10. January 7, 2013
    Alcala is sentenced in New York for two murders to which he pleaded guilty in December 2012.
  11. July 24, 2021
    Alcala dies of natural causes while on death row.

About this entry

This case is recorded as conviction and is kept in the index for its historical and investigative significance. At least one person was convicted in connection with the case.

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Entry last updated September 29, 2026.