Imagine you're going to attend a trail that you read in the newspaper was open to the public.
You're a blogger and you want to write about the events. Then when you get there you are arrested. The authorities claim that you plan to disrupt the trial.
You are held in detention for 30 hours without charge. Guards feel you up and reach under your skirt. They try to humiliate you.
But the world will find out what happened thanks to social media and the Internet.
She was going to cover the trial of a Spanish man Angel Carromero who was accused of manslaughter in a car accident that killed two Cuban dissidents on the island.
Cuban authorities under the rule of Raul Castro hoped to silence her. But they only called more attention to Sanchez and her bravery in trying to do what most journalists and bloggers in the U.S. do every day - write about the world that we live in.
Sanchez has won many international awards for her work and for being a voice for people in Cuba.
You can read more about her experience on her blog Generacion Y.
Her voice is one that we all need to hear.