A Washington state woman has been charged in the fatal shooting of a U.S. Border Patrol agent who was killed days after authorities began watching her and a German companion who also died in the highway firefight.

The two people involved in the fatal shooting of Vermont U.S. Border Patrol Agent David “Chris” Maland have been identified. Teresa Youngblut, 21, of Washington state, was arrested by FBI agents in Albany,

The FBI said Friday that it arrested a Washington state woman in the fatal shooting of a U.S. Border Patrol agent in Vermont this week and identified the German man who was killed.