Irish Examiner | 13th December 2022
The judge said Biber had started taking cannabis at 17 and attended addiction counselling for four years afterwards. At 24, Biber started taking cocaine and other stimulants that cause him to experience psychosis and auditory hallucinations for one to two days at a time.
https://www.irishexaminer.com/news/courtandcrime/arid-41027093.html