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About 10 people a day send tips," Mr. Nicol said, "typically of $2 or $3.

The F.B.I. is starting a Web site, reportcorruption.fbi.gov, through which people can send tips on corruption, although not anonymously, to be reviewed by agents at the bureau's headquarters.

But he himself had sent tips to Detective Joe Cardona.

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Judy Friedberg is back on 27 September, until then please send tips and stories for Cribsheet to Frederika Whitehead.

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