Heather Mills, the ex-wife of Paul McCartney, claims that a journalist at Britain's Mirror Group newspapers admitted hacking into her phone while she dating McCartney, dragging another tabloid into the long-running scandal. Images of front pages of the Daily Mirror newspaper, still photos of Heather Mills, Paul McCartney and Piers Morgan, who was formerly editor of the Daily Mirror and has been asked to return to Britain to answer questions about phone hacking. Duration: 00:23.