Arrest shows challenge of keeping rogues off Border Patrol

In this July 31, 2017, file photo, Yuma Sector Border Patrol Chief Patrol Agent Anthony Porvaznik, center, administers the oath to prospective U.S. Border Patrol agents at the Yuma Sector Border Patrol Headquarters in Yuma, Ariz. A Border Patrol supervisor's arrest in Laredo, Texas on Sunday, Sept. 16, 2018, on allegations that he killed four women has called attention to the problems the agency has had in keeping "rogue" officers off its force as it faces intense pressure to hire thousands more agents. (Randy Hoeft/The Yuma Sun via AP, File) /The Yuma Sun via AP)