https://spectrum.ieee.org/semiconductors/devices/how-we-reverse-engineered-the-cuban-sonic-weapon-attack

 

https://www.theguardian.com/world/2019/jan/06/sonic-attack-on-us-embassy-in-havana-could-have-been-crickets-say-scientists?CMP=share_btn_fb

'Sonic attack' on US embassy in Havana could have been crickets, say scientists

 

I wonder how many years it takes to train a cricket?