Washington Post on Iraqi sectarian violence

Today Nelson Hernandez and Bassam Sebti of the Washington Post will write an article with the cautious title Apparent Death Squad Is Linked to Iraqi Ministry (another copy here). It will contain the following statement

The [arrest of 22 members of a death squad] is the first hard evidence to support the widely held suspicion among Sunni Arabs that vigilantes in the country's Shiite-dominated police force are rounding up Sunnis and killing them.