Sup Int Steve Parker from Devon and Cornwall police says the plot to kill Joss Stone was a rare and unusual case.
Kevin Liverpool and Junior Bradshaw have been convicted of conspiring to murder and rob the singer from Devon.
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Nearly 500 illegal firearms have been handed in to Devon and Cornwall Police during a two-week amnesty across the force area.
Engineers are on route to repair damage to a cable which has resulted in power being cut off to more than 2,000 homes and businesses.
A decision on plans to close 17 of Bristol's 27 libraries has been postponed following public consultation