Do clues to Amelia Earhart mystery lurk beneath the sea?

[CNN]  A deep-sea expedition will launch from the shores of Honolulu on Tuesday in an attempt to solve the mystery of vanished aviator Amelia Earhart, according to the International Group for Historic Aircraft Recovery. The group will launch its Niku VII expedition 75 years after the first ship set sail in search of Earhart, her navigator Fred Noonan and their Lockheed Electra aircraft.