Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. December 20, 2011 Former Prisoner Berenson Leaves Peru for US VOA News U.S. citizen Lori Berenson sits in a migration office in Lima December 19, 2011. Photo: Reuters U.S. citizen Lori Berenson sits in a migration office in Lima December 19, 2011. American Lori Berenson, who spent 15 years in prison in Peru for aiding Marxist insurgents, left Peru Monday on a flight bound for the United States. Berenson had been prevented from leaving the country Saturday despite being granted permission by a court to spend the holidays in New York with her family. The former prisoner said the authorities falsely accused her of arriving late for the Saturday flight. Her lawyer, Anibal Apari, said the government abused its authority. Berenson, 42, was paroled last year. When she was arrested in 1995, the former Massachusetts Institute of Technology student was accused of helping the Tupac Amaru leftist rebel group plan an armed takeover of Congress - an attack that never happened. A military court initially convicted Berenson and sentenced her to life in prison. The sentence was overturned in 2000 and Berenson was retried in a civilian court. Lori Berenson is a controversial figure in Peru. She has publicly apologized for collaborating with the rebel group, and said she was not a militant or a leader and did not participate in any violent acts. In May 2009, she gave birth to a son. The father, Apari, spent 12-and-a-half years in prison for involvement with the rebels. Apari married Berenson in 2003 and had been allowed to see her in prison. The two are now separated. .