Det Serg Martin Sutcliffe said the evidence found by Devon and Cornwall police painted a clear picture of the intentions of two men who conspired to kill and rob Joss Stone.
Both Kevin Liverpool and Junior Bradshaw were found guilty this afternoon.
More top news
Bob Crampton has the Thursday weather.
Bob Crampton has the latest weather forecast.
Carclaze Community Primary School is ditching many chairs and desks for hay bales and beanbags, and letting children write on the floor.