Days before three men were found fatally shot, one of them had a fight with the man accused of killing them, according to witnesses who testified in court on Wednesday.Pedro Garcia, 21, Matthew Travis Martinez, 22, and Anthony Rodrigues, 24, were found dead, each with several gunshot wounds on Sept. 27, 2016, at La Paloma Apartments at 102 W. Rampart Drive.According to a murder warrant, Jacob Brownson is accused of killing the three men while hi…