Scary electronic stuff
The lesson of the past 20 years regarding tech and hacking is this: if something is physically possible then someone with malice in their heart is gonna figure out how, and eventually do it.
...Last year, Barnaby Jack, a security researcher with IOActive, showed he could force some Medtronic pumps to dispense fatal insulin doses from up to 300 feet away. He also has a Black Hat talk planned this year on a new vulnerability in wireless pacemakers and defibrillators. Jack said he notified the FDA in both cases.