Between 2016 and 2018, dozens of North American diplomats stationed in Havana, Cuba, reported an array of health complaints which coincided with hearing strange sounds.
A theory emerged that the officers were been harassed by a sonic weapon.
After several years and tens of millions of dollars spent investigating, US Intelligence have concluded the condition dubbed ‘Havana Syndrome’ is a myth. The sound has been identified as the mating call of the Indies short-tailed cricket.
A sociologist specialising in mass hysteria and social panics, Robert Bartholomew is the co-author with Robert Balohof of 2020 book Havana Syndrome.