Sabrina Gonsalves is dressed as a Native American maiden as she paddles a canoe as part of a city of Davis summer recreation program in 1980. She and her boyfriend, John Riggins, were 18-year-old freshmen at UC Davis when they were kidnapped and killed that December. Enterprise file photo
John Riggins, left, helps a boxcar derby participant get ready for a run down the Covell Boulevard pedestrian overpass as part of a city of Davis summer recreation program in 1980. Riggins and his girlfriend, Sabrina Gonsalves, were abducted after they ushered a performance of the "Davis Children's Nutcracker" on Dec. 20, 1980. Enterprise file photo
Richard Hirschfield, 63, shows no reaction as he is convicted Monday of the 1980 murders of John Riggins and Sabrina Gonsalves. At his side is lead defense attorney Linda Parisi. Screen shot from courtroom video
Andrea Gonsalves Rosenstein reacts as the killer of her younger sister Sabrina is convicted Monday in a Sacramento Superior Courtroom. The jury deliberated roughly three hours before finding Richard Joseph Hirschfield, 63, guilty of the murders of Gonsalves and her boyfriend, John Riggins. Screen shot from courtroom video
Dick and Kate Riggins exit the Sacramento Superior Courtroom where they've spent the past two months listening to testimony in the case of their murdered son John. Sue Cockrell/Enterprise photo
Kate Riggins, John's mother, hugs cousin Beth Gabor after the guilty verdict was read Monday in Sacramento Superior Court. Standing by at center is Joel Davis, a former Davis Enterprise staff writer whose book "Justice Waits: The UC Davis Sweetheart Murders" is credited with reopening the case. Sue Cockrell/Enterprise photo
Andrea Gonsalves Rosenstein leaves the courtroom Monday following the guilty verdict for her sister's murder. Sue Cockrell/Enterprise photo

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