The feds have launched a nationwide manhunt for a 32-year-old woman tied to the shooting death of a US Border Patrol agent in Vermont last week — and is linked to murders in California and Pennsylvania.

Teresa Youngblut, 21, was indicted on two counts in connection to the death of Border Patrol Agent David Maland, 44, who was killed in a shootout on Interstate 91 in Coventry, Vt., near the Canadian border.

MANCHESTER, New Hampshire ( WMUR) -- Investigators said the guns allegedly used in the killing of a Border Patrol agent in Vermont were purchased in that state. Teresa Youngblut is facing two felony charges in connection with agent David Maland's death.

Teresa Youngblut, 21, faces two weapons charges in the death of Agent David "Chris" Maland. The January 20 shooting also left Felix Bauckholt dead.

On Thursday, a grand jury indicted Teresa Youngblut on two counts of using a deadly weapon and discharging that weapon while resisting a federal agent.

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