Brian Greer Murphy's shopping list for his gang-banger customers was extensive, if repetitive. Hi-Point .380-caliber semi-automatic pistol. Hi-Point .45-caliber semi-automatic pistol. Hi-Point .9mm semi-automatic pistol. Hi-Point, Hi-Point, Hi-Point. From July 15, 2002, to Dec. 9, 2002, Murphy bought 73 firearms -- almost all of them Hi-Point -- for criminal customers who could not legally buy their own. Yet it was the single, unloaded .45-caliber gun wedged between the seat and floor of his car, found last year by South St. Paul police in a traffic stop, that put him away for more than three years. Prosecutors were able to obtain...