After a brief history lesson, he takes to the ground, observing the police in some Washington, D.C., neighborhoods as they prod suspects to voluntarily waive their Fourth Amendment rights, and turn houses upside down under the cover of search warrants often based on "dubious tips" from "sleazy sources".
For those without a private banker at JPMorgan, there are always dubious tips available from an insurance agent, family friend or the Web.
In August the business secretary, Sajid Javid, launched an investigation into the abuse of tipping following articles by the Guardian, the Observer and other newspapers about dubious tipping practices.
"Such underhand practices, which remain rife in the industry, highlight why the current business secretary needs to deliver on the government's promise to crack down on dubious tipping practices".
In the absence of major innovations, both cosmetics companies and beauty magazines have found other things to talk about: creative (though dubious) shading tips, or questionable solutions to longstanding problems like yeasty odors and streaking.
Dank, cold, and scabbed with black graffiti, the house was empty except for forty-ounce Miller bottles filled with dubious fluids, some tipped out in damp cockroach havens.
On this summer weekend, jammed between the harsh report of the 9/11 commission and the nomination of John Kerry at the Democratic convention, Mr. Bush finds himself in the same difficult place as Harry S. Truman in 1948 and Jimmy Carter in 1980: an incumbent facing a dubious electorate that could tip either way.
As the bad tips and the dubious suspects pile up, one Zodiac investigator after another, devoured by the hunt or merely bored, leaves the case or retires.
The bureau says its policy calls for every national security-related tip, no matter how dubious, to be investigated.
The sweltering summer of 2006, a savvy advertising campaign and the dubious innovation of cider on ice tipped drinkers' elbows.
A journalist turned academic, and now a peer, Hennessy remains astonished that a triple-lock defence line of security services, Special Branch and the tax authorities did not tip off No 10 more effectively about dubious recipients of honours.
