TEXT: In this March 21, 2018, file photo, Border Patrol agent Lonnie Swartz, left, arrives at U.S. District Court in downtown Tucson, Ariz., where opening arguments began in his murder trial in Tucson. Swartz will face a second trial Tuesday, Oct. 23, 2018, in the killing of a 16-year-old Mexican teen across the international border. Swartz was acquitted of second-degree murder in Tucson earlier in the year and now will be tried on voluntary and involuntary manslaughter charges. (Ron Medvescek/Arizona Daily Star via AP, File)