FBI PUBLIC AFFAIRS - DIRECTOR'S AM NEWS BRIEFING WEDNESDAY, AUGUST 21, 2019 5:00 AM EDT Three Arrested In Domestic Terror Threats Across US On Tuesday. David Muir opened ABC World News Tonight (8/20, lead story, 2:30, 6.49M) 'with the disturbing new headline, after El Paso and Dayton: tonight, news of three new threats, three new arrests. Authorities say these threats of mass shootings in three separate states. Police in Florida handcuffing this 15-year-old boy with his mother by his side. He is accused of threatening to take his father's assault-style weapon to school to shoot several other people." ABC's Victor Oquendo reported, "In Indianapolis, 38-year-old truck driver Thomas Matthew McVicker was arrested. Authorities say they stopped him less than a week before he planned on attacking a church in Memphis. ... And in Seattle, 35-year-old Eric Lin was arrested for allegedly writing on Facebook that he would 'kill all Hispanic Hispanics in Miami and other places.' These three arrests make at least six mass shooting threats in the last few days." NBC Nightly News (8/20, lead story, 2:00, 5.82M) also led with the story, with Lester Holt focusing on the Florida arrest as "a chilling reminder of the edge we all live on, especially police, who, in this era of more frequent mass shootings, find themselves more inclined than ever to take every threat seriously." NBC's Pete Williams reported that the 15- year-old issued the threat on a gaming site; his mother says it was just a bad joke. The CBS Evening News (8/20, story 3, 2:15, O'Donnell, 4M) also reported on the new arrests. Man Arrested In Seattle Called For "Extermination" Of All Latinos, FBI Says. NBC News (8/20, 6.14M) reports a man "who was arrested in Seattle allegedly called for the "extermination" of all Latinos in Facebook messages where he threatened to also harm and kill a woman in Florida, according to court records: Eric Lin, 35, "had an initial court hearing on Monday in Seattle federa