premise: Richard Fortus is a Guns N' Roses member.
hypothesis: Richard Fortus ( born November 17 , 1966 ) is an American guitarist . He is best known as a member of the hard rock band Guns N ' Roses , with whom he has been a member since 2002 , and with whom he has recorded one studio album . Fortus has also collaborated extensively with The Psychedelic Furs frontman Richard Butler and fellow Guns N ' Roses bandmate Frank Ferrer . Alongside his work in Guns N ' Roses , Fortus is a former member of Love Spit Love , Thin Lizzy and the Dead Daisies .