How is Letty alive?

Moviegoers watch Letty die in Fast and Furious. How is Letty alive to star in The Fast and the Furious 6? We actually never see Letty die. Dom imagines Letty's death through a mind flash.Letty is still alive in Berlin, Germany, where she is performing heist jobs.

How does Letty survive the car crash and gunshot? A 'mind flash' is a clever screenwriting techniques integrated into scripts to show us what a character is thinking. Dom imagines the Letty death scene. We see a funeral to convince us that Letty is dead.  

Fast Five dropped a surprise twist ending to reveal Letty is alive. We went nearly two movies without Letty, but a video surveillance feed from Berlin sets up The Fast and the Furious 6 to be the most anticipated movie of 2013. Letty is alive. She never died in Fast and Furious. 

We are tricked into believing she died through watching Dom's imagination play out on the screen. Dom recreates Letty's death scene in his mind. Letty is coming back to Fast & Furious 6.