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

The weapon that killed Agent David Maland last week in northern Vermont was bought by a person of interest in a double murder ...

New details regarding the fatal shooting of Minnesota-born U.S. Border Patrol agent David Maland have been revealed in court.

Here are four new details emerging in the bizarre and tragic shooting of U S Border Patrol Agent David Chris Maland in ...

A criminal complaint filed in federal court accuses Teresa Youngblut of assault as Agent David Maland's casket brought to ...

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

The FBI says it arrested a 21-year-old Washington state woman in the fatal shooting of a U.S. Border Patrol agent in Vermont.

Teresa Youngblut, 21, has been charged in the killing of Vermont-based Border Patrol Agent David Maland, which occurred on ...

A Washington state woman has been charged in the fatal shooting of a U.S. Border Patrol agent in Vermont, which happened days ...

A Washington state woman has been ordered held without bail in connection with the death of a U.S. Border Patrol agent in ...

Michelle Zajko, 32, supplied the gun that killed US Border Patrol agent David Maland last week -- and may be tied to two ...

Associates of woman in Border Patrol agent's shooting death tied to other homicides in Pennsylvania and California.