Two men guilty of trying to murder Joss Stone

The transcript details a plot to murder singer Joss Stone by Kevin Liverpool and Junior Bradshaw. Motivated by a dislike for the queen, the men planned to kill Stone but were thwarted due to their ineptitude and police intervention. Both men had mental health issues, and the trial concluded with their conviction. Joss Stone's family expressed relief at the verdict.

What was Joss Stone's mother's reaction after the trial?

How did the police become aware of the plot against Joss Stone?