A new report from U.S. intelligence has reaffirmed previous conclusions that there is no evidence linking a foreign power to the mysterious 'Havana syndrome' injuries. However, two agencies suggest a possible link to the development of a weapon by a foreign adversary. While five out of seven agencies maintain it's unlikely any foreign nation is involved, the report highlights the need for further investigation and research into the unexplained medical symptoms experienced by U.S. diplomats and government personnel.