 In the interim he issued an order that the limousine remain at its present location.In her letter responding to Bartlett, Mallery said that the NTSB had had more access to the vehicle than it claimed, citing several dates in October.She also disputed the agency's claim that evidence had been compromised, and proposed that the board's investigators be allowed to examine closely, photograph and measure the Excursion under the supervision of state troopers, as long as they did not alter, remove or destroy any evidence.