FILE - This October 1990, file photo shows Michael Chamberlain, right, and then his wife Lindy when Lindy launched her book on the disappearance of her baby daughter Azaria in 1980. Chamberlain, who waged a long battle to prove his baby daughter was killed by a dingo in Australia's most notorious case of injustice, has died, Chamberlain's ex-wife Lindy confirmed Tuesday, Jan. 10, 2017. He was 72. (AP Photo/Russell McPhadran, File)