As of right now on Google Trends

#4 stephanie birkitt

#18 robert j. halderman

So basically people want to know about who Letterman allegedly had an affair with and who allegedly was blackmailing/extorting him. Those diaries will get you every time...

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As we already reported Halderman had a relationship with Stephanie Birkitt and lived with her. But we're told they had broken up "recently." We do not know who ended the relationship, but Halderman allegedly was in possession of Birkitt's diary, correspondence and photos -- which he says incriminated Letterman.

Read more: http://www.tmz.com/2009/10/02/david-letterman-stephanie-birkitt-joe-halderman-robert-halderman-extortion#ixzz0SnoDxhRr

 

Jezebel has some videos of Birkitt in some Letterman skits:

It's a little creepy that the clip includes the phrase "let's hope the wife's not watching" — Letterman's own wife, Regina Lasko, can't have been thrilled to hear her husband publicly announce his affairs. Radarreports that Birkitt and Letterman were involved before Lasko and Letterman were married (in March of this year) and before the birth

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http://jezebel.com/5372898/office-romance-no-lettermans-affairs-were-an-abuse-of-power

Who Is David Letterman's Alleged Extortionist?

 

Here's what we know about Joe Halderman.

Halderman is a long-time producer for CBS News, going back at least to 1991. For at least the past eight years, he has been a staffer for 48 Hours, producing true-crime stories. He's reported from Serbia, Saudi Arabia, Pakistan, and Sudan, and won numerous awards. Per Newsday's Verne Gay:

He was a very successful breaking news producer, and well-liked by most people he worked with - "very driven, very smart," in the words of one. He was a hotdog - a guy who could be dropped into a war zone and navigate the dangers, get the facts, and get the story together. It's an essential skill that the person who can do it well is held in high esteem at any of the networks. It is also a dangerous job, and Halderman once spoke of being detained in Bosnia, and a translator late told him that the soldiers debated whether to "kill the journalists."

In fact, one former intern told TMZ, "I was madly in love with him at the time. I would have married him. He was hilarious."

 

According to TMZ, Holly Hester was a student at NYU when she worked for the Late Show in the 1990s: "Hester says during a hiatus, Dave called her up and asked her to the movies. It began a series of secret dates, with no one on the staff having any idea." Alas, Letterman broke things off, citing their age difference. The Post also reports about other alleged paramours of Letterman and has a quote from a "high-ranking" staffer,

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The suspected extortionist, Robert "Joe" Halderman, had recently broken up with Stephanie Birkitt, who

http://gothamist.com/2009/10/04/former_letterman_intern-lover_speak.php