The Oregonian/OregonLive unearthed old tapes of police interrogations of killer John Ackroyd in the course of reporting the “Ghosts of Highway 20” series.

Excerpts from the interviews appear throughout the stories and videos. Here are the full transcripts and audio for readers who want to hear the original recordings.

March 11, 1992: Kaye Turner investigation, voluntary police interview (1 hour, 52 minutes)

July 13, 1990: Rachanda Pickle’s disappearance, voluntary police interview (1 hour, 15 minutes)

July 21, 1990: Rachanda Pickle’s disappearance, voluntary police interview (2 hours, 3 minutes)

Nov. 14, 1990: Rachanda Pickle’s disappearance, voluntary police interview (55 minutes)

Oct. 9, 2012: Prison interview with Linn County Sheriff’s Office Detective Mike Harmon (1 hour, 48 minutes)

Nov. 20, 2012: Prison interview with Detective Mike Harmon (19 minutes)

-- Noelle Crombie

ncrombie@oregonian.com

503-276-7184