The murder conviction of Michael Clark should be dismissed due to a 32-year delay that led to crucial evidence being lost or destroyed, a bungled police investigation and “outrageous conduct” at the state crime lab, according to defense motion filed late Friday afternoon. Clark, now 50, was convicted of first-degree murder in October 2022 in a case that had languished for nearly two decades. He was sent away for life without parole for the shooting death of Marty Grisham in Boulder in 1994. Clark has maintained from the start he did not commit the crime. In April 2025, Clark’s original conviction was set aside due, in part, after an independent retest of DNA evidence in the case — considered key to him being found guilty — found differing results. Clark was then released on bail after serving 12 years in prison. For months, speculation swirled around whether prosecutors would attempt to retry him. In September, Boulder County District Attorney Michael Dougherty announced he would do so.…