A shocking new claim is rocking The Firm. According to royal expert Andrew Lownie, Prince Philip had Sarah Ferguson investigated by a private detective before she divorced his son Andrew Mountbatten-Windsor. MORE: Follow Wonderwall on MSN for more top news Mirrorpix/Newscom/The Mega Agency Philip allegedly bugged Sarah's phone Lownie claimed on his Substack, The Lownie Report, that the late Duke of Edinburgh "ordered illegal wiretapping," as well as "audio bugs and hidden cameras" to watch the former Duchess of York.