In addition, the government did not want to reveal foreign intelligence secrets that a trial would require.[91] Bernardine Dohrn was removed from the FBI's Ten Most Wanted List on 7 December 1973.[92] As with the earlier federal grand juries that subpoenaed Leslie Bacon and Stew Albert in the U.S. Capitol bombing case, these investigations were known as "fishing expeditions", with the evidence gathered through "black bag" jobs including illegal mail openings that involved the FBI and United States Postal Service, burglaries by FBI field offices, and electronic surveillance by the Central Intelligence Agency against the support network, friends, and family members of the Weather Underground as part of Nixon's COINTELPRO apparatus.[93]