Biden DHS's purchase of weapon linked to Havana Syndrome attacks leads House Republicans to demand answers

[National Security](https://www.foxnews.com/category/politics/executive/national-security) Biden DHS's purchase of weapon linked to Havana Syndrome attacks leads House Republicans to demand answers The Pentagon spent over a year testing device that produces pulsed radio waves after Biden-era purchase  By [Louis Casiano](//www.foxnews.com/person/c/louis-casiano) , [Jennifer Griffin](//www.foxnews.com/person/g/jennifer-griffin) [Fox News](https://www.foxnews.com/) Published January 15, 2026 5:57pm EST | Updated [January 15, 2026 6:00pm EST](https://www.foxnews.com/html-sitemap/2026/january/15) * Flipboard [](#)[close](#) [ Video](https://www.foxnews.com/video/6361940478112) #### [NIH ends study on Havana Syndrome over coercion claims](https://www.foxnews.com/video/6361940478112) Fox News chief national security correspondent Jennifer Griffin expla... --- *Note: This is a summarized excerpt. Click the source link above to read the full story.*