HOLD This image taken from video provided by WCAX shows police cars closing off a road after a shooting involving a U.S. Border Patrol agent on Interstate 91 near Coventry, Vt., Monday, Jan. 20, 2025. (WCAX via AP)

CORRECTS TO JOAN MALAND INSTEAD OF MUSSA - This undated image courtesy of Joan Maland shows U.S. Border Patrol agent David Maland, who was killed Monday, Jan. 20, 2025, following a traffic stop in Vermont. (David Maland/Joan Maland via AP)

Cars are backed up at the US-Canada border in Stanstead, Quebec, after a shooting involving a U.S. Border Patrol agent in Coventry, Vt., Monday, Jan. 20, 2025. (AP Photo/Chloe Jones)

Law enforcement follow a hearse carrying fallen border patrol agent David Maland from the UVM Medical Center morgue to a funeral home in Burlington, Vt., Thursday, Jan. 23, 2025. (WCAX via AP)

Cars are backed up at the US-Canada border in Stanstead, Quebec, after a shooting involving a U.S. Border Patrol agent in Coventry, Vt., Monday, Jan. 20, 2025. (AP Photo/Chloe Jones)

En esta imagen sin fecha, cortesía de Joan Maland, aparece el agente de la Patrulla Fronteriza de Estados Unidos, David Maland, y su perra, Cora. El agente fue asesinado el lunes 20 de enero de 2025 en un control de tráfico en Vermont. (David Maland/Joan Maland vía AP)

Law enforcement from around the state escort a hearse carrying fallen border patrol agent David Maland from the UVM Medical Center morgue to a funeral home in Burlington, Vt., Thursday, Jan. 23, 2025. (WCAX via AP)

Law enforcement follow a hearse carrying fallen border patrol agent David Maland from the UVM Medical Center morgue to a funeral home in Burlington, Vt., Thursday, Jan. 23, 2025. (WCAX via AP)