Auburn man’s murder trial moves to an end

Closing arguments to start Thursday
By: Jenifer Gee Journal Staff Writer
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ROSEVILLE - The jury will soon decide the fate of an Auburn man charged with the murder of his friend in a violent car wreck in Auburn two years ago. Both the defense and prosecution rested in calling forward witnesses and evidence in the trial for William “Billy” Moon, 23. Moon is charged with second-degree murder and gross vehicular manslaughter while intoxicated in the June 3, 2006 death of his close friend Stewart Shapton, 20, of Auburn. Moon has pleaded not guilty. Prosecutor Stephanie Macumber and Sacramento defense attorney Clyde Blackmon will begin closing arguments Thursday. On Tuesday, Judge Larry Gaddis read over jury instructions to the jury of five men, seven women and two female alternates. He instructed them to not let bias play a part in their decision. “You must decide what the facts are,” Gaddis said. “It’s up to all of you and you alone to decide what happens based on what was presented to you in trial.” Gaddis also described the differences between the charges filed against Moon. He explained that the jury must deliver two verdicts: one for the second-degree murder charge and one for the charge of gross vehicular manslaughter while intoxicated. Prior to reading the jury’s instructions, Gaddis added a stipulation for the jury to consider as evidence. He said as a result of Moon’s Dec. 31, 2005 arrest in Orange County, a complaint was filed charging Moon with driving under the influence and driving with a .08 blood alcohol level or higher. The case was pending in Orange County at the time of the June 2006 fatal car accident in Auburn involving Moon. Moon was arrested Dec. 19, 2006 after authorities spent months investigating the solo-vehicle crash in June 2006. The accident occurred just before midnight on Bell Road just south of Hubbard Road where Moon was reportedly driving a 2004 Infiniti G35 at 103.3 mph when the vehicle became airborne, lost control upon landing and hit several oak trees lining the side of the road. Both men were said to be intoxicated the night of the accident. Officials reported that Moon was driving under the influence of alcohol and had a blood alcohol level of 0.19 at the time of the crash. Throughout the trial, now in its sixth week, the prosecution has argued that Moon was the driver during the accident. The defense contends that Shapton was behind the wheel. The Journal's Jenifer Gee can be reached at or post a comment.