“Their doctors sent them to me because they had headache pain or some sort of neurological problem,” he said. “Their primary physicians didn’t know they were having the problem due to abduction. But I would find out as part of my interview when I would ask how long they’ve had the problem, when did they first notice it. … Then they’d tell me.” As part of his regular testing of patients, Russo used his $200,000 dense-array electroencephalography, or DEEG, machine — the only one of its kind in Hawaii — to map the electrical activity in the brains of his...