her dadpoke with fox news by phone moments ago after t filed thet. >> it's devastating. sarah is dying. she's before us. 're watching her die. and she knows she's not health y she's asked u if she's going to die. we're doing everything as parents to prevent that. >> reporter: currently there are 2 patients nation waiting for a lung transplant. ate hospital where sarah is, there are seven. >> shepard: what do legal experts say about the viability ofthe lawsuit? >> they say her parents are on the right track. attorneys that i spoke to say it accomplishes a couple things. it protects and helps sarahbut also is altruistic in helping others. ug burns.deral patrol prosecutog