[17] In 2009, Ross and his investigative unit reported on Mohamed Atta and described him as the ringleader of the World Trade Center and Pentagon attacks.
[18] He also reported on Zacarias Moussaoui’s alleged role in the attacks and his questioning by the Federal Bureau of Investigation prior to September 11.
[19] His undercover investigation of nuclear smuggling, which questioned whether American authorities could stop a shipment of radioactive material from entering the country, received the duPont Award in 2004.
[20] On May 24, 2006, Ross first reported that the Justice Department was investigating Speaker of the House Dennis Hastert for possible connections to the Jack Abramoff corruption scandal.
His 2006 investigation into the Congressional page scandal involving Foley resulted in his fifth Peabody Award for his series of reports: “Conduct Unbecoming”.
[33] He also received a 2007 Business Emmy for his work in exposing conflicts of interest of some West Virginia State Supreme Court justices.
His reporting on the subject led to his first book, The Madoff Chronicles: Inside the Secret World of Bernie and Ruth, published in 2009.
[35] In November 2009, Ross co-wrote an article titled "Officials: Army Told of Hasan's Contacts with al Qaeda", which claimed that Fort Hood shooter Nidal Hasan had made attempts to "make contact with people associated with al Qaeda".
[39] In 2010, Ross received his seventh duPont-Columbia Award for the “20/20” investigation “The Coach’s Secret”, which exposed a scandal in youth swimming.
[60] Ross and his lead producer, Rhonda Schwartz, were suspended in the wake of his misreporting with regard to the Michael Flynn affair.
[66][67] Dan Froomkin asked in an August 5, 2008 column, in The Washington Post: "So who told ABC the powder looked Iraqi?
[69] On January 14, 2004, a report by Ross, Chris Vlasto, and Rhonda Schwartz on the eve of the Iowa caucus linked presidential candidate Howard Dean to a trooper who worked for him when he was Vermont's governor and who had “‘engaged in acts of domestic violence’”.
"[71] In 2006, Ross broadcast what he described as a "big scoop" asserting that an al-Qaeda terrorist with links to Bin Laden had been arrested in Pakistan.
[72] Ross and the ABC News Investigative Team were awarded the 2011 National Edward R. Murrow Award for “Video Continuing Coverage” for their exclusive investigation, “Taking On Toyota”, that revealed how the car company for years ignored complaints from hundreds of its owners about cars suddenly accelerating out of control.
[11][76] On December 2, 2017, Ross was given a four-week suspension without pay after erroneously stating during a special report that Michael Flynn was preparing to testify that Donald Trump had directed him to make contact with Russian officials during his presidential campaign.
"That source later clarified that during the campaign, Trump assigned Flynn and a small circle of other senior advisers to find ways to repair relations with Russia and other hot spots."
[77][78][79][80] In early 2018, after Ross served a four-week unpaid suspension, he returned as a chief investigative correspondent, but with a separate unit of ABC, Lincoln Square Productions.