A former “American Idol” contestant was charged with killing his wife at their Ohio home and staging the crime scene to look like a fatal burglary, authorities said. Caleb Flynn, 39, was charged Friday with murder, felonious assault and tampering with evidence in the Feb. 16 death of his wife, Ashley Flynn, according to a criminal complaint filed in Miami County Municipal Court. He pleaded not guilty during a court appearance Friday and is being held in lieu of $2 million cash bond, court and