The feds have launched a nationwide manhunt for a 32-year-old woman tied to the shooting death of a US Border Patrol agent in Vermont last week — and is linked to murders in California and Pennsylvania.

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

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

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

A man accused of murder in California appears to have sought a marriage license with a woman charged in connection with the fatal shooting of a U.S.

Prosecutors say a Washington state woman charged in connection with the fatal shooting of a U.S. border patrol agent had been in frequent contact with someone whom authorities have linked to homicides in Pennsylvania.

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.