WASHINGTON — Marilou Danley, the woman investigators hoped would provide key details into the motive behind her boyfriend's deadly shooting attack, said she remembers exhibiting symptoms such as lying in bed and moaning, according to two former FBI officials who have been briefed on the matter. "She said he would lie in bed, just moaning and screaming, 'Oh my God,'" one of the former officials said. The other former official said Danley spoke about Paddock displaying "mental health symptoms." Investigators believe Stephen Paddock may have been in physical or mental anguish, the sources said. But so far the FBI has...