Mr. Brown, who resigned last year because of his wife's illness, was recently named President Clinton's top drug adviser.
The sergeant said he was aware that the report had criticized Mr. Brown, who is now President Clinton's top drug adviser.
The N.F.L.'s drug adviser, John Lombardo of Ohio State, has likened testing to a room with many doors and windows.
He said a panel of drug advisers might be added.
Mr. Brown resigned a year ago because of his wife's ill health, and he was recently named President Clinton's top drug adviser.
But the N.F.L.'s former drug adviser, Dr. Forest Tennant, supported the theory.
The National Football League is planning to offer a toll-free telephone line so players can talk confidentially with a drug adviser.
He retired as the N.F.L.'s drug adviser in 1984.
Doctor's Status Unclear Tagliabue did fall short of wholehearted endorsement of the program and of Tennant as his drug adviser.
Next month American drug advisers are to leave the Santa Lucia base as part of a 50 percent cut in total anti-drug aid to Peru.