John Arthur Ackroyd

John Arthur Ackroyd (died December 30, 2016) was an American murderer and may have been a serial killer. In 1992 he was sentenced to five life terms in prison for the abduction and murder of Kaye Turner.
Attacks and murders.
In 1977, Ackroyd allegedly raped Marlene Gabrielsen. In 1978 he, along with Roger Dale Beck, abducted and murdered Kaye Turner. Roger Beck was also found guilty in the murder of Kaye Turner at a separate trial. Ackroyd's step-daughter Rachanda Pickle went missing in 1990. Ackroyd was charged with Rachanda's murder in 2013, and pleaded no contest.
The Oregonian newspaper and others have alleged that Ackroyd was involved in the murder of several more women.
Custody.
Ackroyd was incarcerated in Oregon State Penitentiary. He died in prison in 2016.