Sentence examples for attack letters from inspiring English sources

All the attack letters contained these four morphs as well as the predominant form of Ames ancestor-type spores.

The F.B.I. made no mention of handwriting analysis, for example, that might tie Dr. Ivins to the attack letters, Dr. Tucker said.

Based on that interpretation, Barbara Hatch Rosenberg, a private expert in biological weapons at the State University of New York at Purchase, concluded in widely cited December report that the powdered anthrax in the attack letters "may be a remnant of the U.S. biological weapons program".

In the summary of its findings, the F.B.I. states that investigators used four different genetic techniques to match the anthrax-laced attack letters to a unique DNA footprint of a single anthrax spore preparation in one flask that had been in Dr. Ivins's custody.

Similarities between the strains used in Ivins's laboratory and in at least four attack letters were a key element in FBI's case, but a failure to understand how the bacteria mutate over time could complicate efforts to compare samples.

As with all genres, the 13D attack letter has its tropes: macho swagger about work ethic, war metaphors, regional stereotyping.

The show's curators, William Rubin and Kirk Varnedoe, tried to rebut his attack in letters to Artforum.

Coming shortly after the Sept. 11 attacks, the letters set off a national scare over bioterrorism and led to a huge increase in government spending on biodefense.

Although it was written three years before the Cole attack, the letter's timing would fit al Qaeda's pattern of showing patience and long-term planning before conducting terrorist operations.

"The primary purpose of broadcasting to the outside world after a nuclear attack," one letter remarked, "would presumably be to let the world know that organised society still existed in the UK".

The Syrian Foreign Ministry condemned the attacks in letters to the UN Secretary General and Chairman of the UN Security Council carried by the state-run SANA news agency.