Pennsylvania state police say the gun used in the Vermont shooting was purchased by a person of interest in the deaths of an elderly couple in Delaware County

The recent murder of an 82-year-old Vallejo man may be connected to the murder of a border patrol agent in Vermont and a double homicide in Pennsylvania.

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.

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 David Maland.

Here are four new details emerging in the bizarre and tragic shooting of U.S. Border Patrol Agent David "Chris" Maland in Vermont on Inauguration Day, including the killers' link to a "violent transgender commune.

The U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives sent an alert to federally licensed firearms dealers a day after the shooting seeking information related to any gun purchases by Michelle Jacqueline Zajko.

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

Prosecutors say the Washington state woman charged in the killing of a Border Patrol agent in Vermont was in contact with homicide suspect.

As of early Tuesday morning, Snow Squall Warnings spanned hundreds of miles from Pennsylvania to Maine, covering about 1.6 million people.

The revelation was included in court documents filed hours before Teresa Youngblut was set to be arraigned in a Vermont federal court.

Prosecutors are arguing why a Washington state woman should remain jailed in connection with the death of a U.S. Border Patrol agent.