Window washer dies in fall at JFK Library in Boston

A window washer died Wednesday morning when he fell inside the John F. Kennedy Presidential Library and Museum in Boston's Dorchester neighborhood.

Suffolk District Attorney Kevin Hayden said the man fell about 5-7 stories to the ground below. Investigators believe it was a "tragic accident."

"There's a lot we still have to determine here and that's what we're working on," Hayden said.