The former airline pilot ordered to stand trial over the murders of Melbourne campers Russell Hill and Carol Clay claimed he'd painted his car a different colour as a project with his sons.
Greg Lynn, 56, was on Wednesday ordered to stand trial in Victoria's Supreme Court on two charges of murder after magistrate Brett Sonnet found there was sufficient evidence to support a conviction.
Lynn replied "not guilty Your Honour" when asked by the magistrate how he pleaded to the charges.