In 1987 he wrote the following preserved article about RELAY and here is his obituary. May this early inventor rest in peace.
The case history is worth a read, and raises questions about entrapment and impressionable kids. However, the issue now being argued in court is simpler: the defendant was a U.S. citizen, and the FBI used FISA powers to access his communications without a warrant. Crucially, they failed to notify the defendant of this before trial — something they're legally required to do. This gives him and his lawyers standing to challenge the constitutionality of the law in the first place. It's a difficult puzzle, with no clear answer, but oral arguments could begin as soon as January for one of the most significant cases yet to challenge the U.S. government's surveillance of its own citizens.
A link to the NY Times article now redirects readers to a separate, general article on the attacks, which does not contain the word "encrypt." The Times later posted a second article citing an anonymous "European counterterrorism official" who was quoted saying authorities' "working assumption is that these guys were very security aware," but clarified officials "offered no evidence."