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

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

Michelle Zajko, 32, supplied the gun that killed US Border Patrol agent David Maland last week — and may be tied to two other homicides in California and Pennsylvania, federal authorities ...

Teresa Youngblut was ordered held without bail in connection with the death of U.S. Border Patrol agent David Maland in a ...

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

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

Her visit comes as an investigation continues into the death of Border Patrol Agent David Maland ...

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

The killings of a Border Patrol agent in Vermont last week, a state’s witness in California, and a pair of senior citizens in ...

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

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