To neighbors, Robert William Fisher seemed like an average guy. But there was a dark side to Fisher that led him, investigators say, to shoot his wife in the head, then hunt down his two children ...

The files contain police reports, witness interviews, Fisher's medical records and tips that have come in. From 2006 to 2011, "America's Most Wanted" got tips about Fisher on its hotline.

Robert William Fisher, shown in a 1997 photograph released by the FBI, is one of the FBI’s ten most wanted fugitives. Authorities found the bodies of Mary Fisher, 38, and the couple’s children ...

Thanks to one TV show alone, "America's Most Wanted," Heinzelman said, Robert Fisher has been spotted at a mall food court in British Columbia; an apartment complex in Willowbrook, Illinois; a 7 ...

Robert's father, William Frank Fisher, died in 2016. "We're grieving and yet we have to live in a state of forgiveness without even knowing if he did it," she said.

ROBERT WILLIAM FISHER IS WANTED FOR ALLEGEDLY KILLING HIS WIFE AND TWO YOUNG CHILDREN AND THEN BLOWING UP THE HOUSE IN WHICH THEY ALL LIVED IN SCOTTSDALE, ARIZONA IN APRIL OF 2001.

Robert William Fisher is wanted for allegedly killing his wife and two young children and then blowing up the house in which they all lived in Scottsdale, Arizona, in April of 2001.

Robert William Fisher is wanted for allegedly killing his wife and two young children and then blowing up the house in which they all lived in Scottsdale, Arizona, in April of 2001.

Robert William Fisher is wanted for allegedly killing his wife and two young children and then blowing up the house in which they all lived in Scottsdale, Arizona, in April of 2001.