McCowen loses latest bid for a new trial

A convicted Cape Cod murderer has lost his latest bid for a new trial .A Barnstable County judge{} denied Christopher McCowen's third motion , in a decision that was handed down late last week.In 2006, McCowen, a former trash hauler, was given a life sentence for the 2002 murder of fashion writer Christa Worthington.The defense claimed the state's chief medical examiner at the time had forged paperwork,{} which called{} his credibility into question.That motion was denied.A separate motion for a new trial will be heard this summer.?