At the notorious CECOT prison, he was forced to frog-march, had to kneel from 9 p.m. to 6 a.m. and was subjected to beatings and threats, his lawyers said Wednesday.

The 29-year-old is now detained in Tennessee after being returned to the US and is awaiting trial on human smuggling charges.

Kilmar Abrego Garcia says said he was kicked and hit so often after arrival that by the following day, he had visible bruises and lumps all over his body.