Robert William Fisher is wanted for allegedly killing his wife and two young children and then blowing up their house in which they all lived in Scottsdale, Arizona, in April of 2001 is on the FBI’s Most Wanted list. Officials say Fisher, now 63 years old, is physically fit and enjoys outdoor activities like hunting and fishing. His upper left bicuspid teeth have a prominent gold crown. He may walk with an overly erect posture, and his chest may be pulled out as a result of a lower back problem. Fisher is known to chew tobacco excessively. Read: FBI: Heather Rose Strickland Found By Fisherman …