“It may seem unnerving that information contained inside the body — as opposed to kept in the home or worn on the wrist — could be used in a criminal investigation. But courts have yet to distinguish between data interior to the body and data stored on the outside. Data isn’t considered more protected or more private by virtue of its personal nature or where it is stored.”
Read more: https://www.wired.com/story/your-own-pacemaker-can-now-testify-against-you-in-court/