Federal suit filed in Washington on behalf of dead and missing Iraqis . Suit : September 16 a ` ` senseless slaying '' and part of a ` ` pattern '' Blackwater has maintained that it has ` ` acted lawfully and appropriately '' The suit was filed on behalf of the estates of Himoud Saed Atban , Usama Fadhil Abbass and Oday Ismail Ibraheem , who were killed . Iraqi officials said 17 were killed in Baghdad 's Nusoor district on September 16 .
Federal suit filed in Washington on behalf of dead and missing Iraqis . Suit : September 16 a ` ` senseless slaying '' and part of a ` ` pattern '' Blackwater has maintained that it has ` ` acted lawfully and appropriately '' Iraqi officials said 17 were killed in Baghdad 's Nusoor district on September 16 .