. >> investigators are still unsure what led the pilot to lose control of the flight our vaughn hilliard has the latest >> we're en route to the wreck areas. >> reporter: in tennessee, a rescue effort has turned into a recovery as dive teams and boat crews search for the remains of seven killed when a small plane crashed into this lake >> looking pretty shallow here. >> reporter: the control tower losing contact with the pilot. the flight departed from an airport just outside of nashville, bound for florida >> just lost communication with the citation do you see anything? >> i don't see a thing. >> reporter: he crashed into percy priest lake, only three miles away. >> the initial observation of that crash site was initial oil slick. we did identify aircraft components. >> hi, everybody >> reporter: on board, gwen and joe lara, and five members of their church, remnant fellowship, which lara founded more than two decades ago. a controversial figure, she appeared on national television programs, touting her best-selling book, the weighdown diet, pressing her followers to lose weight. >> we

. >> vaughn hilliard, air native arizonaan, and erin caldwell and senior washington correspondent phil rucker. you spoke to one of the republicans threatening to sue. what's going on out in arizona? >> i think it's important for folks to understand, this is more than pushback from democrats' secretary of state katie hobbs. this is a quarrel between the state legislature and the republicans in the state legislature, specifically the state senate and the republican maricopa county board of supervisors. its a republican majority. i just talked just a few minutes ago with supervisor clint hickman who voted for the president in 2020. he even got a shoutout at the last arizona rally, that final week of the election, and he pushed back saying the question is how far is a bridge too far? because these narratives, they just keep going and going. every time a suggestion of impropriety by the state senate and these contractors who the state has hired have put forward, they've been debunked and there was one last week that a claim that the county had deleted voter databases that were unfounded. th