Investigators from the New York state attorney general's office on Feb. 18 carted off boxes of documents from the Uniondale, N.Y., office of GEB HiRise, an engineering practice that had been employed by an insurer to inspect homes damaged by Superstorm Sandy in 2012. The probe by the attorney general, Eric Schneiderman, amplifies charges by homeowners in the New York City area and four U.S. Senators, who have accused insurers of conspiring with engineering inspectors to limit payouts.