Vybz Kartel on his legal battles, vulgar lyrics and the lasting scars of prison: ‘If I hear a key shake, it traumatise me’

With his murder conviction overturned, the Jamaican star is back performing. He talks about his illness, regrets, and how he felt about dancehall going global while he was behind bars

There’s a moment when I’m interviewing Vybz Kartel in the courtyard of the Four Seasons hotel in Tower Bridge, London, and the UK government emergency alert test rings on my phone. He is panicked by it and jumps up. “Me ready fi run you know!” he says, which has us both laughing.

It is a funny moment, but also a jolting one considering that it arrives in the middle of him discussing the lasting psychological effects of prison. Kartel, 49, real name Adidja Palmer, had been incarcerated across different institutions in Jamaica following his conviction for the 2011 murder of his associate Clive “Lizard” Willia