planning to join the police.Declan Blythe is behind bars awaiting sentence for the murder of Cameron MacMillan, 23, in Motherwell.It has emerged that at the time of the fatal attack in May last year Blythe had ambitions of a career with Police Scotland.A source said Blythe sustained injuries in an incident hours before the killing.He was asked to provide a police statement but told officers he was worried that it might affect his application to join the force.The insider said: “He didn’t want