King’s overall performance so relieved and reassured the Kennedy officials that they moved almost by group instinct to cultivate him politically rather than to disengage. Attorney General Kennedy set the tone with his response to King’s remark that harassed and endangered voter registration workers often had trouble reaching the FBI for assistance. Kennedy wrote down the telephone numbers of John Seigenthaler and Burke Marshall and handed them to King. “Any hour of the day or night,” he said, “you call.”