Brank threatened to post photos and other details of Burns' trysts through his Twitter account.Brank, 25, was found guilty of six felony counts for blackmailing Burns out of $500,000 in cash and an Audi.Burns has contributed money to Republican causes but also helped a group fighting to lift ban on same-sex marriage in Florida.Geffen, 72, is openly gay he has not been charged with any crime and has no ties to Donald Burns.During cross-examination, Griggs said in court his benefactor was DreamWorks co-founder and philanthropist David Geffen.Griggs told FBI agents a wealthy friend paid for his dental work but declined to name him out of fear for his own safety.Justin Griggs appeared as witness for prosecution in trial of Teofil Brank charged with blackmailing telecom executive Donald Burns.Gay porn actor reveals his ties to David Geffen and says he 'fears for his safety' - as his male escort friend is found guilty of $1.4m extortion plot