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 ...

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

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

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

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

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

The fatal shooting occurred Jan. 20 in Vermont when Border Patrol agent David Maland stopped a vehicle on Interstate 91, ...

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

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