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.

Michelle J. Zajko, 32, allegedly gave guns to pair accused in Border Patrol agent's shooting death. She's a 'person of interest' in her parents' 2023 murder.

Officials said the agent was shot on Interstate 91, which was closed for several hours near the border with Canada.

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

The fatal shooting of a U.S. border patrol agent in Vermont and a murder in Northern California appear to be related.

A United States Border Patrol agent was shot and killed in Vermont on Monday, according to The Department of Homeland Security.

The gun used in the shooting death of a Delaware County couple was used in connection with the line-of-duty shooting death of a border patrol agent in Vermont, officials said.

A 21-year-old Washington state woman was arrested Friday for allegedly shooting a US Border Patrol agent to death in Vermont earlier in the week, according to federal authorities.

Here are four new details emerging in the bizarre and tragic shooting of U S Border Patrol Agent David Chris Maland in Vermont on Inauguration Day, including the killers link to a violent transgender

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

The revelation was included in court documents filed hours before Teresa Youngblut was set to be arraigned in a Vermont federal court.