[1] He became a foreign reporter who travelled to more than 70 countries, and was responsible for war reportage from nations such as Iraq, Afghanistan, Lebanon, and Bosnia.
[citation needed] During the 2000s, Halderman worked on domestic shows for CBS, He produced the show Flashpoint in 2007, and from 2005 to 2009, he was also a producer of the CBS true crime journalism series 48 Hours, including episodes such as Out of the Shadows (2005), about the serial killer Dennis Rader, also known as the BTK Killer, and Virginia Tech: Anatomy of a Rampage (2007), about the school shooting and mass murder known as the Virginia Tech massacre which took place at Virginia Polytechnic Institute and State University.
He also received an Academy Award nomination for the 2006 film Beslan: Three Days in September which was narrated by Julia Roberts.
[2][1] In July 2010, when he was serving his sentence at Rikers Island, Halderman was nominated for an Emmy as a producer of a 48 Hours Mystery segment regarding Amanda Knox.
[7] In October 2009, Halderman was accused of attempting to blackmail talk show host David Letterman for $2 million.
At the time of his arrest, Halderman was a producer of the CBS true crime journalism series 48 Hours.
[15] On March 9, 2010, Halderman pleaded guilty to attempted grand larceny in the second degree and received a six-month jail sentence, to be followed by five years' probation and 1,000 hours of community service.