Name: Cuba neuroscientist: More collaboration needed to find cause of 'sonic attacks'
Uploaded: Thu Sep 13 2018 17:37:45 GMT+0000 (UTC)
Duration: 4 min 19 s
Description: Dr. Mitchell Valdes spoke with NBC's Andrea Mitchell about factors that would help in identifying the cause of "sonic attacks" on U.S. diplomats in Cuba.

Sept. 13, 201804:19