It was her exotic, raven-haired beauty that initially brought her fame, but actress Roselyn Sanchez went from modeling to striking a different type of pose – effectively landing roles as tough-minded law enforcement figures with gun in hand. Coveting the part of butt-kicking customs agent Isabella Molina in “Rush Hour 2” (2001) and reprised for “Rush Hour 3” (2007) – as well as her series regular role of Agent Elena Delgado on the popular hit series, “Without a Trace” (CBS, 2002- ) – Sanchez knew something about toughness, having started fresh in the U.S. after leaving behind early success in