Members of Russian military intelligence unit 29155, who allegedly have access to microwave or ultrasound weapons, had been placed at the scene of reported attacks that resulted in US personnel suffering health problems, according to a year-long investigation by the Latvia-based Insider in collaboration with CBS’s “60 Minutes” and Germany’s Der Spiegel. Christo Grozev, the head of investigations with The Insider, told “60 Minutes” that he uncovered accounting records that show a 29155 officer received a bonus for work related to the development of “non-lethal acoustic weapons.” Unit 29155 has reportedly operated around the world since 2008, and is suspected...