Police records show that law enforcement officials are searching for 32-year-old woman with ties to Vermont related to the purchase of the firearms allegedly used in the killing of Border Patrol agent ...

The U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives sent an alert to federally licensed firearms dealers a day after ...

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

Teresa Youngblut, the woman charged in the shooting death of U.S. Border Patrol Agent David "Chris" Maland, has a detention ...

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

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

The woman accused of killing U.S. Border Agent David Maland allegedly used a gun bought by someone who was a person of ...

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

More:Suspects detained in killing of Mexican immigration agent "The United States Border Patrol’s discovery of this tunnel … underscores the vital importance of coordination and collaboration ...