However, the investigation found, “a small number of U.S. attorneys routinely exceeded the government rate, by large amounts, with insufficient, inaccurate, or no justification.”

The report does not name any individuals, but the Associated Press identified Christie as “U.S. Attorney C” in the report, based on a comparison of details in the report and public records of Christie’s travel expenses released under the Freedom of Information Act during his campaign for governor…

According to the report, Christie exceeded the government rate without adequate justification the most often as a percentage of travel. The investigation found that he submitted 23 vouchers including reimbursement for lodging from 2007 to 2009, of which 15, or 65 percent, exceeded the government rate. The inspector general found insufficient justification for 14 of the 15 cases…

During one stay in Washington, for example, Christie stayed at the Four Seasons Hotel at a cost of $475 per night, more than double the government rate of $233 per night, justifying the cost by explaining that he was scheduled to speak at the hotel early in the morning.