@CNN: US officials frustrated by lack of progress in investigation into Cuba sonic attacks https://t.co/HSkulUqUnG https://t.co/voOaj8M1Ht
US officials frustrated by lack of progress in investigation into Cuba sonic attacks https://t.co/HSkulUqUnG http://pic.twitter.com/voOaj8M1Ht
— CNN (@CNN) September 23, 2017