USOC CEO apologizes, says he was unaware of Nassar abuse

AP Photo/Elise Amendola,file In this Aug. 17, 2013 file photo McKayla Maroney smiles after competing on the floor exercise during the U.S. women’s national gymnastics championships in Hartford, Conn.

The leader of the U.S. Olympic Committee says in a letter he was not aware of the Larry Nassar sex-abuse allegations before law enforcement got involved, and that he had no knowledge of a settlement between USA Gymnastics and 2012 Olympic champion McKayla Maroney in a case involving the now-imprisoned former team doctor.