Inside grim monkey testing lab where marmoset named 'Chewie' tried to escape torture hellhole
![Inside grim monkey testing lab where marmoset named 'Chewie' tried to escape torture hellhole](https://i2-prod.dailystar.co.uk/incoming/article33160112.ece/ALTERNATES/s615/1_Screenshot-2024-07-03-at-123252.jpg)
It had been claimed that Chewie's tail was 'accidentally' torn off after it became caught in an air duct, later thought to have happened during a daring escape from the grim lab