Hackett was a staff lawyer for the Michigan-Wisconsin Pipeline Company from 1950 to 1951. She was a
law clerk to Judge
Frank Picard of the
United States District Court for the Eastern District of Michigan from 1951 to 1952. She was in private practice in Detroit from 1952 to 1967. She was a lawyer for the New York Central Railroad Company from 1963 to 1965. She was chief law clerk to the
Michigan Court of Appeals from 1965 to 1966, and was an assistant prosecuting attorney of
Wayne County, Michigan from 1967 to 1972. She then returned to private practice until 1973. After briefly serving as a magistrate judge, she later continued in private practice until 1986, when she was briefly acting chief of the Appellate Division of the Wayne County Prosecutor's Office.
Federal judicial service Hackett served as a
United States magistrate judge for the Eastern District of Michigan from 1973 to 1984, and was the first woman to serve in such a position. On February 11, 1986, Hackett was nominated by President
Ronald Reagan to a seat on the
United States District Court for the Eastern District of Michigan vacated by Judge
Charles Wycliffe Joiner. She was confirmed by the
United States Senate on March 27, 1986, and received her commission on April 7, 1986. She assumed
senior status on April 8, 1997. Hackett served in that capacity until her retirement on March 1, 2000. During her career, Hackett presided over a number of high-profile cases. In 1987, she stripped former Nazi concentration camp guard Johann Leprich of his American citizenship; she also sentenced former New Jersey Mayor John McCann to life in prison without parole for operating an international cocaine smuggling scheme. In 1999 Hackett ruled that rap duo
OutKast was not required to pay
Rosa Parks for using her name in the title of their Grammy-winning song. == Later life and death ==