From NPR news, in Washington, I am Craig Windham.There is no curfew in Ferguson, Missouri tonight but National Guard troops have been deployed thereas authorities try to head off any more violence during protests over the killing of an unarmed teenager Michael Brown by a police officer.The St. Louis County medical examiner confirms that Brown was shot several times in the head and chest.Similar finding came from Dr. Michael M. Baden, a pathologist hired by the Brown's family.He says Brown was shot at least six times.All of these evincive wounds were survivable except for the one on the top of the head and one through the brain.The Attorney General Eric Holder says he's putting the full weight of the Justice Department into investigating the killing of Brown.NPR's Carrie Johnson reportsHolder will travel to the area later this week to confer with investigators and community leaders.The Attorney General plans to meet with FBI agents and civil rights investigators.They're looking into the actions of a Ferguson police officer who shot and killed 18-year-old Michael Brown.Eric Holder asks for patience as the civil right probe advancesand he criticizes the selective release of sensitive information about the victim by local authorities.Holder says he is committed to preserving the integrity of the federal investigationin order to restore trust between police and protesters, not just in Ferguson, but beyond.Carrie Johnson, NPR news, Washington.A temporary truce between Israel and Palestinian militants has been extended for 24 hours.