He should have died decades earlier from a government agent sent to eliminate one of the worst domestic threats had produced at the time. While I’ve heard apocryphal tales of lots of wanna-bes supposedly blowing themselves up trying to follow this ‘cookbook’, there is no denying that there were plenty of successes with it as well.
Nothing is in that book that isn’t taught in military training and covert operations. It is more a problem when idiots follow it. The chemistry is obsolete as well as the technology. The tactical and information is still valid today.