NO : He sent a letter indicating his resignation . Milwaukee police had gone to the Children 's Hospital of Wisconsin to arrest the man on a felony warrant and found him holding a child in the intensive care unit , authorities said . NEW : He had had surgery in 2010 and claimed he was having adverse symptoms . City hospital identifies third victim as Dr. Christine Lajeunesse . Officer Charles was killed , and patient Shawntae Johnson is in critical condition , police say .
NO : He sent a letter indicating his resignation . NEW : He had had surgery in 2010 and claimed he was having adverse symptoms . City hospital identifies third victim as Dr. Christine Lajeunesse . Officer Charles was killed , and patient Shawntae Johnson is in critical condition , police say .