in a second rapid shooting on saturday in baltimore , a guy donned a plexiglas vest and dead three police officers after he had been driven into a murderous rage by an dispute with his mothers over a dog . attached to court papers , edward poplawski — who had nearly been dishonourably issued from the pennsylvania navy — had been arguing with his mother about the dog urinating inside their home just on saturday morning when she threatened to forcibly him . when the argument erupted , she called the policemen . by the time a patrol cars looked up at after 7am , mr poplawski , 23 , had armed himself with an assault weapons , a left - arm crossbow , a pistol and five rounds of winchester .
In Pittsburgh a man shot 3 policemen.