People v. Michael Clark, 1994 cold case

After leaving active duty with the Marine Corps, John started work with the Boulder District Attorney's Office and DA Stan Garnett quickly promoted John to District Court. Shortly thereafter John joined the trial team responsible for successfully prosecuting one of Boulder's long-standing cold case homicides - the murder of city official Marty Grisham. This was one of John's first cold cases and it was solved

with new DNA testing by CBI and top-notch detective work by Chuck Heidel and others at the Boulder Police Department. Click to read more about the closing arguments and guilty verdict.

Boulder police search the crime scene outside Marty Grisham's door.