article_snippet.sent: D.C. No other details were immediately available about that case.
article_snippet.sent: More serious charges could follow in the jurisdiction where the guard was killed.
article_snippet.sent: Police search a parking garage on the U.S. Census Bureau headquarters campus for the armed man .
article_snippet.sent: Officers guard the U.S. Census Bureau building after reports that a federal officer had been shot .
article_snippet.sent: The shootingwas a tragic and scary event for the Census Bureau family,' agency Director John Thompson said in a Friday statement. '
article_snippet.sent: We know the situation last night was tense, especially for the hundreds of employees who sheltered in the building and in their cars for several hours not knowing when the incident would be over,' agency Director John Thompson said.
article_snippet.sent: The gate that leads to Census Bureau remains closed where a guard was shot and killed on Thursday .
highlights_snippet.sent: Incident took place at gate of U.S. Census Bureau in Suitland, Maryland .