Jack Hensley was an American engineer from Marietta, Cobb County, Georgia, near Atlanta. While working in Iraq he was kidnapped and beheaded by terrorists. His colleague, Eugene Armstrong, was beheaded the previous day. Their killers, Tawhid and Jihad, the terrorist group led by Abu Musab al-Zarqawi, were demanding the release of Iraqi women in U.S. custody. Wikipedia
The definitive Wikipedia entry for Jack Hensley. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Jack_Hensley
Militants holding Briton Ken Bigley in Iraq repeat a threat to kill him after they claim a second US hostage is dead. news.bbc.co.uk/1/hi/world/middle_east/3678150.stm