Lane County DA to Retry 35-Year-Old Murder Case After Bite Mark Conviction Vacated
EUGENE, Ore. — Court records appear to indicate that Lane County prosecutors are moving forward with a retrial of Robert Wallace Lyons , the Pendleton man whose 1990 aggravated murder conviction was vacated earlier this month over now-discredited bite mark evidence. Lyons, 61, was arraigned in Lane County Circuit Court on June 25, 2026. He pleaded not guilty to all charges, was appointed counsel, and a pre-trial conference hearing has been scheduled for July 16, 2026, at 2:30 p.m., according to court records. Neither Lane County District Attorney Christopher Parosa nor his office has issued a statement regarding the case as of yet. A Marion County post-conviction court vacated Lyons’ conviction on June 16, marking the first successful challenge under Oregon’s new Senate Bill 1515, which recognizes bite mark analysis as unreliable “junk science.” “Mr. Lyons was wrongfully convicted based almost entirely on junk science,” said Byron Lichstein, one of his attorneys from the Forensi...