. >> reporter: bradley saw the balloon ungulfed in flames. >> they were screaming for anybody to help them. sweet, jesus, help me, i'm going to die. >> reporter: one of those killed is the pilot dan kirk, the owner of the balloon, seen here in the video posted on his company's website. the other two onboard were part of the staff and women's basketball team at the university of richmond. but the university is saying it extends its prayers and thoughts to the families of jenny doyle and natally lewis. seen here together on doyle's instagram account. before the flight, in another photo posted on instagram, doyle wrote, quote, getting ready to go up in a hot air balloon today. tried it at 6:30 a.m., but it was too foggy. we'll go up this evening. #anxiety. crews are still searching for lewis, with her family saying in a statement, we remain hopeful and ask for your continued prayers. meanwhile, as for the investigation -- >> we will examine the man, the machine, and the environment. the onscene investigation will consist of -- >> reporter: the ntsb sent a letter to the faa calling for an