In the quiet hours between Wednesday and Thursday, a fragmentation grenade shattered the stillness of Tel Aviv's affluent Park Tzameret neighborhood, its force rippling outward to Ramat Gan and inward to the anxious question of why such violence finds its way to a residential doorstep. No lives were lost, but the act itself — deliberate, targeted, urban — speaks to the persistent undercurrent of criminal conflict that runs beneath the surface of even the most ordered city life. Investigators have opened a formal inquiry, treating the incident not as an act of war but as a human dispute that ch