Last fall FBI profilers announced that the person who sent deadly anthrax-laced letters to news organizations and Capitol Hill was probably a grudge-bearing, sociopathic male laboratory nerd with knowledge of the geography of Trenton, N.J. But a new scientific analysis sent to top government officials suggests the anthrax attacker may be a scientific whiz so smart that he succeeded in making a “weaponized” form of the bacterium more sophisticated than any previously known. Full Story