Step 1 : Introduction to the question "9. Which heiress took part in a San Francisco bank robbery on April 15, 1974?"
...1. Doris Duke 2. Patty Hearst 3. Ilene Vanderbilt 4. Jaqueline Getty Patty Hearst took part in the April bank robbery of the Hibernia Bank in San Francisco. This was in conjunction with her membership with the Symbionese Liberation Army, a radical group which had previously at first had kidnapped her. The group was destroyed a month later after a raid on a house in south central Los Angeles that took the lives of six members. Ms. Hearst was later convicted of the bank robbery and sentenced to 7 years in prison. However, family money prevailed, and after a sizeable contribution to the National Democratic Party, President Jimmy Carter commuted her sentence after she had served 22 months.