Paddock reminds me of William Krar, especially in having such large caches of weapons, ammo,

[muriel_volestrangler]

3. Yes, as Paul Krugman noted in the NYT. Bruey was released in 2008

From Wikipedia:

As per a lookup at the Bureau of Prisons prisoner database on September 18, 2012, Krar (09751-078) was listed as deceased on May 7, 2009, Bruey (10601-078) was released on May 30, 2008, and no information is available for Edward Feltus.

Reactions
Paul Krugman writing in the New York Times noted how John Ashcroft and the US Justice Department gave no comment or press release about the case, in constrast to other foiled plots of international terrorism. Krugman's piece was noted in Congress by John Conyers. The Christian Science Monitor noted in December 2003 "there have been two government press releases and a handful of local stories, but no press conference and no coverage in the national newspapers."

https://en.wikipedia.org/wiki/Tyler_poison_gas_plot