Woolpert’s division experimented with spores to infect crops using birds.

Evidence

Ishii Shiro and his covivisectionists had dusted birds with anthrax spores and used feathers as a transmission medium; in 1949 Oram Woolpert’s Special Operations Division followed suit, using not anthrax, but the spores of two fungal crop diseases, wheat stem rust and rye stem rust. — Nicholson Baker, Baseless- My Search for Secrets in the…, 239

Categorization

• corroborated: 3 independent passages support this claim — Nicholson Baker, Baseless- My Search for Secrets in the…, 239