Michael Louis, the Tulsa shooter, targeted Dr. Preston Phillips because he blamed him for his back pain after his back surgery.
Authorities said Thursday that a psychotic gunman who killed four people at an Oklahoma medical building targeted a doctor who had previously operated on him "and anyone who got in his way."
At a press conference, Police Chief Wendell Franklin said the gunman, identified as Michael Louis, opened fire at an orthopedic office on the second floor of the Natalie Medical Building at Saint Francis Health System in Tulsa around 5 p.m. Wednesday.
On May 19, Louis, 45, of Muskogee, was admitted to the hospital for back surgery with Dr. Preston Phillips. Louis was released on May 24, according to Franklin.
Louis went on to phone multiple times, claiming to be in pain and requesting additional treatment. On Tuesday, he saw Phillips, and on Wednesday, he called the doctor's office for more treatment, according to Franklin.
It's unclear what kind of hel...