STEVE INSKEEP, Host: NPR's Martin Kaste has more.</s>MARTIN KASTE: Stjepan Mestrovic is a sociologist at Texas A&M who studies war crimes and the soldiers who commit them.</s>STJEPAN MESTROVIC: I know it's hard for your listeners to believe, but they are ordinary - I would say even nice - young men and women.</s>MARTIN KASTE: Mestrovic was a defense witness for specialist Jeremy Morlock, a kill team soldier convicted last week on three counts of murder. He's in the photos posing with one of his victims. Mestrovic says he's seen an internal Army report that suggests Morlock and other soldiers in the squad were tacitly encouraged to go beyond the rules of engagement.</s>STJEPAN MESTROVIC: The gung-ho attitude came straight from the top. There was a body count board at the brigade headquarters. Everyone in the unit knew that that's how you got promoted.</s>MARTIN KASTE: Martin Kaste, NPR News.
Rolling Stone magazine has published more pictures taken by U.S. soldiers in Afghanistan. They show American troops posing with dead Afghans, among other disturbing images. The photos are connected to ongoing court martial cases of soldiers at Joint Base Lewis-McChord in Washington state.