Luisa González, of the Movimiento Revolución Ciudadana party, on Sunday took a lead in the first round of Ecuador’s presidential and legislative elections, which have been marred by political assassinations as the Andean nation struggles with a wave of violence that has brought homicide rates to record levels. His killing has put a spotlight on a recent escalation of violence, fueled by a cocaine boom, which has seen transnational criminal organizations and local gangs engage in high-level graft and extortion, overrun prisons, and murder anyone who gets in their way. The mounting violence and lack of economic prospects have compelled many Ecuadorians to leave the country