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.

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.

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