By Lucy Thornton & Patrick Hill Less than 24 hours after a robbery ringleader was finally nailed for the murder of PC Sharon Beshenivsky, we catch one of his freed henchmen in a £20,000 Mercedes C-Class. The gang’s lookout, Faisal Razzaq, served only 11 years of a life sentence for manslaughter – and when he got out in 2017, he boasted to Facebook friends: “Guess who’s back?” Today, when we went to Razzaq’s London home to ask if he felt any remorse over the killing of PC Beshenivsky, all he said was: “Who told you I live here? Go away.” His luxury car is similar to the one used in the deadly N…