““Hoover’s attention to the case had waxed and waned over the years, but he had become so agitated about the growing criticism he was receiving in Oklahoma that prior to White’s arrival he had started to investigate matters himself. Though he was not one to venture into the muck of the field (he had a phobia of germs and had installed in his home a special filtration system to purify the air), he would sit in his office, poring over incoming reports from agents—his eyes and ears on the menacing world.””