Here's a another story (2011) of a medical source of radioactivity showing up where it wasn't supposed to be: https://www.wired.com/2011/10/ff-radioactivecargo/

Here's a another story (2011) of a medical source of radioactivity showing up where it wasn't supposed to be: https://www.wired.com/2011/10/ff-radioactivecargo/ https://www.wired.com/2011/10/ff-radioactivecargo/