upsot - guilty verdictbr br A teenager from Florida is handed two life sentences after being found guilty on Wednesday of killing two British tourists.br br Shawn Tyson gunned down the two victims after trying to rob them when they drunkenly walked into a public housing estate in April last year.br br Images of the two Brits, 24 year old James Kouzaris and 25 year old James Cooper, were played in court.br br A friend of both victims read out a statement directly addressing Tyson.br br (SOUNDBITE) (English) JOE HALLETT, FRIEND OF JAMES COOPER AND JAMES KOUZARIS:br br "You pierced both of their hearts with bullets and you also robbed my friends of their dignity , their freedom and their future. You've ripped the hearts out of so many of us. Shawn Tyson - I need you to understand, the pain that you have caused and the amazing personalities you have killed."br br Tyson, who turned 17 last week, will not be eligible for parole.br br Simon Hanna, Reuters.