Neighbors described the Christoffersons as kind, caring and devoted parents.
The NTSB concluded three days of investigative hearings on Friday.
The driver who killed their mom was going 98 mph in a 55 mph zone. He received 18 months' probation and community service.
Jean Harris says she's on a mission to get justice for her family and also spare others from experiencing similar pain.
Crowds watched in horror Saturday night when a Mexican navy ship heading the wrong way on the East River crashed into the Brooklyn Bridge.
A Mexican Navy sailboat with 277 people on board crashed into the Brooklyn Bridge Saturday evening, killing two people and injuring more than a dozen others who were on board in a dramatic scene along the New York City waterfront, according to authorities.