Funny you should mention 'get caught driving over the speed limit'.... from another link in this thread that did happen.

Like most plans, Birges’s fell apart rather early on. One of his sons got a speeding ticket, placing him near the ransom drop point. His girlfriend drove off the road, resulting in her hospitalization.

https://hackaday.com/2015/09/21/this-is-what-a-real-bomb-loo...