Figures of authority, policemen show up at various unlucky times throughout the musical. At first their antics are fairly comical as they try to keep Edward, Mickey, and Linda from mischief, but later on they arrest Sammy and Mickey after a failed robbery attempt. In the final scene, they shoot and kill Mickey—but only after he has murdered Edward.
The timeline below shows where the character The Policemen appears in Blood Brothers. The colored dots and icons indicate which themes are associated with that appearance.
...his chant, eventually getting so excited that he jumps on top of a lamppost. A policeman enters, and the three adolescents use the same impertinent responses that they did as children.... (full context)