[JURIST] The US military announced Sunday that following a preliminary inquiry, the US Naval Criminal Investigations Service [official website] has been asked to launch a formal probe into the killing by US Marines of a relative of Iraq's UN ambassador during a June house raid. Engineering student Mohammed al-Sumaida'ie, the 21-year-old son of the first cousin of Ambassador Samir al- Sumaida'ie [official profile], was shot at his home in Haditha, a village in western Iraq. Shortly afterwards, Ambassador al-Sumaida'ie condemned the "cold blood murder" [statement] and called for an investigation [JURIST report]. The US military in Iraq routinely conduct raids looking for arms and insurgents, and has increased them since May; US officials insist that the raids are conducted with restaint, but many Iraqis have complained about the use of excessive force. Read the MNF Iraq press release. Reuters has more.