ST. PETERSBURG, Fla. – A disagreement over payment at a St. Petersburg construction site turned deadly Friday afternoon when a subcontractor fatally shot a general contractor. The incident occurred shortly after 1:30 p.m. at 1400 Farragut Drive North, a vacant house undergoing renovations. According to police, a dispute arose between the general contractor, Mostafa M. Ah Abdo, and a tile worker subcontractor regarding payment for completed work. The argument escalated, and the tile worker began destroying the finished tile work in frustration. In response, Ah Abdo retrieved a firearm from his …