At a hearing and in court filings, a federal prosecutor in Vermont cited connections between the defendant, Teresa Youngblut, and people linked to other murder investigations.

The suspects charged in connection with two killings have been linked to a fringe group known as the "Zizians."

This is the first embed given to any world news outlet by the U.S. Border Patrol since the new Trump administration took office and it's clear, they are eager to show us how well things are going. "This is as forward as you can be on the front line," Agent Orlando Rubio noted as we drove up to the border wall.

What Trump's order says, how local law enforcement is involved, ICE's efforts so far and what to do if you encounter ICE.

Police are searching for a 32-year-old woman suspected of purchasing the semiautomatic handguns used by two people involved in the shooting death of a U.S. Border Patrol agent last week in northern Vermont.

The weapon that killed Agent David Maland last week in northern Vermont was bought by a person of interest in a double murder two years ago in Chester Heights, state police say.

As the sprawling investigation unfolds, here’s an overview of the key figures involved and their alleged connections.

Much of what Trump can do will boil down to money. Congress is expected to consider additional support soon. Trump may use emergency powers to tap the Defense Department, as he did for a border wall in his first term.

A 21-year-old Washington state woman faces two weapons charges in connection with the fatal shooting of a U.S. Border Patrol agent in Vermont

Federal agents launched targeted arrest operations while a wave of military troops deployed to the U.S.-Mexico border

This investigation remains very active, and the legal process continues,” FBI spokeswoman Sarah Ruane said in a statement over the weekend.

The FBI announced the arrest of a suspect Friday in the killing of U.S. Border Patrol Agent David "Chris" Maland near the Vermont-Canada border.