His journalism has earned recognition from leading professional organizations, including the National Academy of Television Arts & Sciences (three Emmy Awards), Society of Professional Journalists (two Sigma Delta Chis), Radio Television Digital News Association (numerous Edward R. Murrows), International Academy of Digital Arts and Sciences (Webby Honor) and the Online Journalism Organization (ONA).
He went from there to become a senior producer for CBS News' cable channel, Eye on People, and co-created a documentary series called I Witness, where video journalists spent months covering one topic.
In the late 90s he and correspondent John Miller investigated anti-government militias, as well as Eric Rudolph of the Army of God’s string of abortion clinic attacks.
Klein also filmed, edited and produced documentary specials for Nightline, following people over long periods of time, including the abortion clinic bombing victim Emily Lyons as she spent her first year recovering from a near-fatal blast.
[8] In a project entitled "Life & Death",[9] Klein shadowed Noel Earley, a Vietnam veteran dying of amyotrophic lateral sclerosis, as he fought for the right to use doctor-assisted suicide.
[10] Over a six-month period, Klein documented his journey moving back into society, showing the police notifications, the community meetings and the pedophile's life at his mother's house.
[13] Klein was one of the first network magazine producers to travel to Iraq after the invasion and, working with correspondent Bob Simon, he secured the first and to-date, only Western TV interview with the Shiite cleric Muqtada Al-Sadr.
Klein has written for The New York Times,[19] The Globe and Mail, The Miami Herald, The Christian Science Monitor, and numerous other publications during his career.
The course has developed into a more collaborative Global Reporting Program [24] in which students at universities around the world work together to produce journalism in partnership with major media organizations.