Although “the legislative environment is very hostile today,” the intelligence community’s top lawyer, Robert S. Litt, said to colleagues in an August e-mail, w

Although “the legislative environment is very hostile today,” the intelligence community’s top lawyer, Robert S. Litt, said to colleagues in an August e-mail, which was obtained by The [Washington] Post, “it could turn in the event of a terrorist attack or criminal event where strong encryption can be shown to have hindered law enforcement.”