Pentagon police patrol the Pentagon after a shooting in Washington

<p>Pentagon police patrol the Pentagon after a shooting in Washington Thursday March 4 2010 A gunman coolly drew a weapon from his pocket and opened fire at the teeming subway entrance to the Pentagon complex Thursday evening wounding two police officers before being shot and critically wounded officials said < p>

<p>Pentagon police patrol the Pentagon after a shooting in Washington Thursday March 4 2010 A gunman coolly drew a weapon from his pocket and opened fire at the teeming subway entrance to the Pentagon complex Thursday evening wounding two police officers before being shot and critically wounded officials said < p>

<p>Pentagon police patrol the Pentagon after a shooting in Washington Thursday March 4 2010 A gunman coolly drew a weapon from his pocket and opened fire at the teeming subway entrance to the Pentagon complex Thursday evening wounding two police officers before being shot and critically wounded officials said < p>