CBS Evening News | In 2007, former Vice President Dick Cheney's doctor ordered the manufacturer of his implanted defibrillator to disable the wireless feature, fearing a terrorist could assassinate him by telling the device to shock his heart into cardiac arrest

In 2007, former Vice President Dick Cheney's doctor ordered the manufacturer of his implanted defibrillator to disable the wireless feature, fearing a terrorist could assassinate him by telling the device to shock his heart into cardiac arrest. Dr. Sanjay Gupta, on assignment for "60 Minutes," reports. Air Date: Oct 18, 2013