office newest member. >> it's my honor to pin him a badge, a junior deputy badge. >> reporter: david, the sheriff says this is not case closed, that federal and state investigators are still doing their work, but he maintains that he believes there was no foul play. david? >> we're just glad he's home and safe. marcus, thank you. we turn now to the attack on the capitol and to the never before heard audio. the interview with former president trump with our jonathan karl, months after the attack. and how he describes the crowd that day. you'll remember the videotaped message as well, then president trump telling rioters to go home. but how many takes until he said that? jon has learned. >> reporter: as congress ramps up its investigation into the january 6th riot, we have learning more about what donald trump was doing during those fateful hours while his is up pof supporters attacked the capitol. in reporting my upcoming book, "betrayal: the final act of the trump show", i spoke to several people who were in contact with him as the riot was underway. they tell me trump was watching