Bullet strikes are seen in one of the doors to the United States Holocaust Memorial Museum, Thursday morning, June 11, 2009, in Washington after a shooting left a security officer dead and the gunman wounded there on Wednesday.
This undated photograph provided by the Talbot County Sheriff Office on Wednesday, June 10, 2009, shows James von Brunn. Law enforcement officials said von Brunn, a white supremacist, was under investigation in a shooting inside the crowded U.S. Holocaust Memorial Museum in Washington on Wednesday, June 10, 2009 and that his car was found near the museum and tested for explosives.
The Washington Monument looms over the U.S. Holocaust Memorial Museum in Washington, Wednesday, June 10, 2009. Police say a security guard, shot at by an elderly gunman who opened fire inside the crowded museum, has died. The suspect was then shot after other guards returned fire. He remains hospitalized.
A cell phone photo obtained exclusively by CBS News, and enhanced to show detail, shows the body of the suspected shooter on the ground outside the doors of the U.S. Holocaust Memorial Museum, Wednesday, June 10, 2009.
In this image provided by the U.S. Holocaust Museum, museum guard Stephen T. Johns, is seen. Johns was killed Wednesday, June 10, 2009, in Washington, when an elderly gunman opened fire at the museum.
Police barricade museum visitors outside the U.S. Holocaust Memorial Museum in Washington, D.C., following a shooting inside the building Wednesday, June 10, 2009. Museum officials says security Stephen T. Johns, a six-year veteran of the facility, was killed. In an e-mail, director Sara Bloomfield said he "died heroically in the line of duty."
Washington, D.C. police chief Cathy Lanier talks with reporters outside the Holocaust Museum after a shooting in Washington Wednesday, June 10, 2009. She said the gunman was "engaged by security guards immediately after entering the door" with a rifle. "The second he stepped into the building he began firing."
Police are seen outside U.S. Holocaust Memorial Museum. The FBI says the shooting of a security guard inside the building on Wednesday, June 10, 2009, is being investigated as a possible hate crime.
A helicopter flies over U.S. Holocaust Memorial Museum, Wednesday, June 10, 2009, after an elderly gunman opened fire with a rifle inside the crowded museum, killing a security guard before being shot. Authorities say they are investigating a white supremacist as the suspect.
Staff of the United States Holocaust Memorial Museum wait across from the rear entrance of the museum where a shooting occurred inside the museum earlier in the day, in Washington Wednesday, June 10, 2009. The people said they were not supposed to give out their names.
A security officer is seen in front of the United States Holocaust Memorial Museum after a shooting in Washington, Wednesday, June 10, 2009. The museum was crowded with school children and other tourists at the time of the attack, but they all escaped injury in the outburst of violence.
Traffic coming from Virginia over the 14th Street Bridge is blocked off by police not far from the Holocaust Museum after a shooting in Washington, Wednesday, June 10, 2009.
The American flag is lowered to half staff outside the U.S. Holocaust Museum after a shooting on Wednesday, June 10, 2009, in Washington.
An armored vehicle is seen outside the U.S. Holocaust Memorial Museum in Washington, Wednesday, June 10, 2009. An elderly gunman opened fire with a rifle inside the museum on Wednesday.
Sara Bloomfield, director of the U.S. Holocaust Museum and Joseph Rosbochil, the museum's director of Protection Services, discuss Wednesday's shooting and the death of security guard Stephen T. Johns.