Prisoners in high security prisons aren't allowed access to the internet or anything that can be used to connect to the internet.The mysterious Jeffrey Epstein's life and crimes, and the lack of punishment thereof, had already been the subject of intense debate, but his death has prompted a slew of new conspiracy theories.www.abc.net.au
My apple watch does that.
Just design an apple watch like device that can't be removed very easily or that triggers an alarm if removed.
I'm sure there are a range of less invasive tech solutions for that sort of thing, if they really wanted them.
So your suggestion is to have a fitted device that does what exactly? Just monitors their heart rate and makes sure it's still pumping? If they wear it, it has to be able to transmit somehow to a monitoring station.