Tracking Down the Most Dangerous Letters in the World...
Postal memorabilia collector Dale Speirs has done... ...lector Dale Speirs has done extensive research on mail bombs and even wrote a book about them. He tells us abo... ...ut them. He tells us about the different sorts of mail bombs used through history, and the different types of... ...Unibomber. Kaczynski...
https://www.neatorama.com/2015/10/19/Tracking-Down-the-Most-Dangerous-Letters-in-the-World/
