whirlwind of action on capitol hill this wednesday morning. you could say it s a congressional hearing palooza on a slate of urgent topics from the origin of covid, the safety of air travel, the u.s. evacuation of afghanistan, and threats from around the world. that last topic is the focus of a hearing set to begin any second with the senate intelligence committee. we ll hear testimony from the nation s top intel chiefs including dni avril haines, cia director bill burns and fbi director chris wray. we can expect them to dive into a number of topics including new threats from china, questions about mishandling classified documents and concerns over domestic extremism. our team is monitoring this closely. meanwhile, in a different senate hearing, acting administrator of the faa is just moments away from testifying after weeks of disturbing headlines from the not so friendly skies, including a united passenger recently caught on camera attacking a flight attendant and threate
what more are we learning about them and how this happened? reporter: yeah, lindsey, we re filling in this time line that started back when this group of four as you described, lifelong friends left south carolina in that white van with north carolina plates and nen made that road trip hundreds of miles here to south texas to brownsville where according to family members one of the group had a cosmetic procedure scheduled in neighboring matamoros, and they crossed over one of the international bridges here, and federal authorities tell us it was shortly after they crossed that bridge that that white van took a heavy amount of gunfire, a barrage of bullet, according to some of the photos and videos that we ve seen that then led to this video being captured showing these gunmen in broad daylight walking very casually i might add with these victims putting them in the back of a pickup truck and