U.S. officials are worried that Iraqi police — not just impostors in Iraqi uniforms — may have been behind the killings of two coalition staffers and their translator, the top American general in Iraq said Thursday. The three were the first civilians from the U.S. occupation authority to be killed in Iraq. Officials have not released their names, but relatives identified one of them as 33-year-old Fern Holland, a human rights expert from Oklahoma who worked on women’s issues in the Hillah region where she was killed. “If I die, know that I’m doing precisely what I want to be doing,” Holland wrote in an e-mail to a friend in Tulsa on Jan. 21. She met often with Iraqi women around Hillah and communicated their needs to Iraq’s Governing Council, even influencing the interim constitution completed this week, said one of her colleagues, Judy Van Rest. Full Story