The Zizians have been tied to the killing of U.S. Border Patrol Agent David Maland near the Canadian border in January and five other homicides in Vermont, Pennsylvania and California. Maland, 44, was killed in a Jan. 20 shootout following a traffic stop in Coventry, Vermont, a small town about 20 miles (32 kilometers) from the Canadian border.

The killing of U.S. Border Patrol Agent David Maland near the Canadian border last month and five other homicides in Vermont, Pennsylvania and California have been tied to a cultlike group.

The leader of a cultlike group that has been linked to multiple killings, including the fatal shooting of a border patrol officer in Vermont last month, was arrested in Maryland on charges of trespassing and other crimes,

The policy change applies to all operational activities and was reportedly driven by social media posts on how to identify agents.

Agents with the U.S. Customs and Border Protection agency will immediately stop using body cameras in the field after a post on Reddit detailed potential security threats.

Major questions were raised Monday about both security and transparency amid reports that Border Patrol agents may no longer use body-worn cameras. Customs and Border Protection did not answer questions about the potential change,