Their "diversified" activities, involving robbery, murder, gun-running, extortion, stocks manipulation, and election violence, were a leading factor in the decline of public safety.
他們搶劫、殺人、恐嚇勒索，甚至走私黑槍、介入股市、選舉，犯罪的「多元化」影響了其他黑道分子，可說是治安敗壞的禍首之一。