Stephen bumel worked as a radiologic technician. His work involved preparing patients for procedures in the interventional radiology department. He said he would replace needles on discarded syringes and inject himself with the fentinel that remained in them.
In 2006, a man named William Ramsey went to the Mayo Clinic in Jacksonville, Florida for a life-saving liver transplant. It was a success, and so when his health started to decline after the procedure, doctors couldn't figure out why.