The coat was obtained from Giesecke's family, and according to his son, Dr. Giesecke placed an EKG on President Kennedy in the emergency room. He noted the President was unresponsive and knew he would not survive. He then went to another emergency room to treat Gov. Connally.
Over the years, Dr. Giesecke received letters from around the world from both the curious and conspiracy buffs, asking him questions about his memories of that day.