Federal prosecutors say a Washington state woman charged in connection with the fatal shooting of U.S. border patrol agent in Vermont had been in frequent contact with someone whom authorities have linked to homicides in Pennsylvania and California.

The Vermont Border Patrol agent murdered when he stopped a migrant near the northern border has been identified as David C. Maland, The Post has learned. An agency veteran of nearly a decade,

A Washington state woman has been arrested in connection with the fatal shooting of a U.S. Border Patrol agent in Vermont on Monday.

Agent David “Chris” Maland died in a shooting following a traffic stop, the FBI said. A second person killed in the incident was a German national in the country on a current visa, authorities said.

The woman accused of killing U.S. Border Agent David Maland allegedly used a gun bought by someone who was a person of interest in a double murder, prosecutors said.

A woman charged in the fatal shooting of a U.S. Border Patrol agent in Vermont is scheduled to appear in federal court.

The 21-year-old woman from Washington state who is charged in the death of Border Patrol Agent David "Chris" Maland made her first court appearance on Monday.