Question: Linda Sue Evans received a prison sentence for harboring a criminal from what 1981 robbery?

full_context: Document 1: Brink's robbery (1981): The Brink's robbery of 1981 was an armed robbery and three related murders committed on October 20, 1981, which were carried out by six Black Liberation Army members: Jeral Wayne Williams (Mutulu Shakur), Donald Weems (Kuwasi Balagoon), Samuel Brown (Solomon Bouines), Samuel Smith, Edward Joseph, and Cecilio "Chui" Ferguson; and four former members of the Weather Underground, now belonging to the May 19th Communist Organization, consisting of David Gilbert, Judith Alice Clark, Kathy Boudin, and Marilyn Buck.
Document 2: Black Liberation Army: The Black Liberation Army (BLA) was an underground, black nationalist militant organization that operated in the United States from 1970 to 1981. Composed largely of former Black Panthers (BPP), the organization's program was one of armed struggle against the United States Government, and its stated goal was to "take up arms for the liberation and self-determination of black people in the United States." The BLA carried out a series of bombings, killings of police officers and drug dealers, robberies (which participants termed "expropriations"), and prison breaks.
Document 3: Sara Jane Moore: Sara Jane Moore (née Kahn; born February 15, 1930) is an American citizen best known for attempting to assassinate US President Gerald Ford in 1975. She was given a life sentence for the attempted assassination and was released from prison on December 31, 2007, after serving 32 years. Moore and Lynette "Squeaky" Fromme are the only two women to have attempted to assassinate an American president; both of their attempts were on Gerald Ford and both took place in California within three weeks of one another. Mary Surratt, a woman, was convicted as a conspirator in the murder of Abraham Lincoln and hanged.
Document 4: Assata Shakur: Assata Olugbala Shakur (born JoAnne Deborah Byron; July 16, 1947, often referred to by her married surname Chesimard), is a former member of the Black Liberation Army, a black nationalist urban guerrilla group, who was convicted in 1977 of the first-degree murder, under New Jersey's "aiding and abetting" statute, of State Trooper Werner Foerster during a shootout on the New Jersey Turnpike in 1973. She escaped from prison in 1979 and fled to Cuba, where she was granted political asylum.
Document 5: George Jackson (activist): George Lester Jackson (September 23, 1941 – August 21, 1971) was an African-American activist and author. While serving a sentence for armed robbery in 1961, Jackson became involved in revolutionary activity and co-founded the Maoist-Marxist Black Guerrilla Family. In 1970, he was charged, along with two other Soledad Brothers, with the murder of prison guard John Vincent Mills in the aftermath of a prison fight. The same year, he published "Soledad Brother: The Prison Letters of George Jackson", a combination of autobiography and manifesto addressed to a black American audience. The book would become a best-seller and earn Jackson personal fame. In 1971, Jackson took several guards and two inmates hostage in a bid to escape from San Quentin Prison. However, the incident ended with Jackson being shot and killed by a guard, in addition to the deaths of 5 hostages.
Document 6: Kuwasi Balagoon: Kuwasi Balagoon (December 22, 1946 – December 13, 1986), born Donald Weems, was a Black Panther, a member of the Black Liberation Army, a New Afrikan anarchist, and a defendant in the Panther 21 case in the late 1960s. Captured and convicted of various crimes, he spent most of the 1970s in prison. Balagoon escaped from prison several times, going underground and resuming BLA activity. He was finally captured and charged with participating in an armored truck armed robbery, known as the Brinks robbery (1981), in West Nyack, New York, on October 20, 1981, an action in which two police officers, Waverly Brown and Edward O'Grady, and a money courier (Peter Paige) were killed. Convicted of murder and other charges and sentenced to life imprisonment, he died in prison of pneumocystis pneumonia, an AIDS-related illness, on December 13, 1986, aged 39. Balagoon was bisexual.
Document 7: Marilyn Buck: Marilyn Jean Buck (December 13, 1947 – August 3, 2010) was an American Marxist revolutionary, and feminist poet, who was imprisoned for her participation in the 1979 prison escape of Assata Shakur, the 1981 Brink's robbery and the 1983 U.S. Senate bombing. Buck received an 80-year sentence, which she served in federal prison, from where she published numerous articles and other texts. She was released on July 15, 2010, less than a month before her death at age 62 from cancer.
Document 8: Eric Rudolph: Eric Robert Rudolph (born September 19, 1966), also known as the Olympic Park Bomber, is an American domestic terrorist convicted for a series of anti-abortion and anti-gay-motivated bombings across the southern United States between 1996 and 1998, which killed two people and injured over 120 others.
Document 9: George Jackson Brigade: The George Jackson Brigade, was a revolutionary group based in Seattle, Washington, which was named after George Jackson, a dissident prisoner and Black Panther member shot and killed during an alleged escape attempt at San Quentin Prison in 1971.
Document 10: Linda Evans (radical): Linda Sue Evans (born May 11, 1947) is an American radical leftist terrorist who was convicted for militant activities. Evans was sentenced in 1987 to 40 years in prison for using false identification to buy firearms and for harboring a fugitive in the 1981 Brinks armored truck robbery, in which two police officers and a guard were killed. In a second case, she was sentenced in 1990 to five years in prison for conspiracy and malicious destruction in connection with eight bombings including the 1983 United States Senate bombing. Her sentence was commuted in 2001 by President Bill Clinton.
Document 11: Susan Atkins: Susan Denise Atkins (May 7, 1948 September 24, 2009) was a convicted American murderer who was a member of Charles Manson's "Family". Manson and his followers committed a series of nine murders at four locations in California, over a period of five weeks in the summer of 1969. Known within the Manson family as Sadie Mae Glutz or Sexy Sadie, Atkins was convicted for her participation in eight of these killings, including the most notorious, the "Tate/LaBianca" murders. She was sentenced to death, which was subsequently commuted to life in prison. Atkins was incarcerated from October 1, 1969, until her death – a period exactly one week short of 40 years. At the time of her death, Atkins was California's longest-serving female inmate.
Document 12: United Freedom Front: The United Freedom Front (UFF) was a small American Marxist organization active in the 1970s and 1980s. It was originally called the Sam Melville/Jonathan Jackson Unit, and its members became known as the Ohio 7 when they were brought to trial. Between 1975 and 1984 the UFF carried out at least 20 bombings and nine bank robberies in the northeastern United States, targeting corporate buildings, courthouses, and military facilities. Brent L. Smith describes them as "undoubtedly the most successful of the leftist terrorists of the 1970s and 1980s." The group's members were eventually apprehended and convicted of conspiracy, murder, attempted murder, and other charges. Two, Tom Manning and Jaan Laaman, remain incarcerated today.
Document 13: San Quentin Six: The San Quentin Six were six inmates at San Quentin State Prison in the U.S. state of California (Hugo Pinell, Willie Tate, Johnny Larry Spain, David Johnson, Fleeta Drumgo and Luis Talamantez), who were accused of participating in an August 21, 1971 escape attempt that left six people dead, including George Jackson, a co-founder of the Black Guerrilla Family.
Document 14: Soledad Brothers: The Soledad Brothers were three African-American inmates charged with the murder of a white prison guard, John Vincent Mills, at California's Soledad Prison on January 16, 1970. George Jackson, Fleeta Drumgo, and John Clutchette were said to have murdered Mills in retaliation for the shooting deaths of three black prisoners during a prison fight in the exercise yard three days prior by another guard, Opie G. Miller.
Document 15: Resistance Conspiracy case: The Resistance Conspiracy case (1988-1990) was a Federal Judicial trial in the United States in which six people were charged with the 1983 U.S. Senate bombing and related bombings of Fort McNair and the Washington Navy Yard: Marilyn Jean Buck, Linda Sue Evans, Susan Rosenberg, Timothy Blunk, Alan Berkman, and Elizabeth Ann Duke.
ground_truth: Brink's robbery