About 10 years ago, he began researching census and other records to determine the earlier tenants.
Yet it was relatively easy, using census and other records, to track down individuals.
Henry E. Hockeimer Jr., Jacobs's lawyer, said his client gave e-mails, canceled checks and other records to N.F.L. officials at a meeting in the Dallas area.
The department only recently began the laborious process of updating its homeowner addresses and other records to jibe with those at the more fastidious Department of Finance.
But Mr. Fitzgerald, who helped investigate and prosecute many of those terrorists, cited other records to suggest the research was flawed and in some cases wrong.
The letter, sent to five major hospital trade associations, cited possible abuses including "cloning" of medical records, where information about one patient is repeated in other records, to inflate reimbursement.
All of the state's businesses will be required to use the Department of Homeland Security's E-Verify system, a pilot program that electronically checks Social Security and other records to confirm legal employment status.
Working with the fancy City law firm of Linklaters, an in-house committee grandly titled the management and standards committee belatedly handed over emails and other records to the belatedly interested Metropolitan police.
Archivists say Mr. Pataki's reluctance contrasts with the policies of his predecessors, who traditionally turned over their official correspondence and many other records to the State Archives in Albany.
Even smaller sets of data, such as the recordings of budding and blossom times kept (1851 58) by American naturalist Henry David Thoreau in Concord, Mass., have been patched together with other records to create extrapolations of change over time.
