Guy Reffitt watched on tearfully as his 19-year-old son told jurors he "constantly" had a gun on him and said Jan. 6 was just the "preface." MORE: https://www.wfaa.com/video/news/crime/son-of-jan-6-suspect-who-turned-him-in-testifies-for-about-fathers-growing-extremism-threats/287-d0440ace-148a-4316-90c0-54b50d4778da