One of four men killed during a shootout at a Marrero bar last month was hit by a bullet fired by the bar owner as he exchanged gunfire with robbers, according to testimony Tuesday during a court hearing for two of the five suspects. Jefferson Parish Sheriff's Office Detective Keith Locascio testified that one victim was killed by a .38-caliber bullet and, separately, that bar owner Wallace Gomez was the only person armed with a .38-caliber pistol when gunmen robbed Gomez's bar Oct. 30. Gomez, 78, of Marrero; his brother, Beuford Gomez, 75, of Marrero; Jeffrey Carmardelle, 71, of Marrero;...