Flight 4184 remembered

Terri Severin, of Arlington Heights, hugs Spencer Guerrero, 17, on Wednesday at the crash site of Flight 4184. Severin lost her sister, Patty and nephew, Patrick in the crash. She has written a book about the event, "In the Wake of the Storm." She and others also helped to change legislation regulating the airline industry, and how they deal with crashes, the victims and survivors. Spencer, who was 10 months old at the time of the crash, helps his father Mike maintain the memorial site.