On April 13, 2013, Jonathan Santiago, a 19-year-old, was fatally shot in the Humboldt Park neighborhood of Chicago. The shooting occurred at approximately 2:45 a.m. during a violent weekend in the city. Santiago was among the four fatalities in a wave of shootings that left numerous others wounded across Chicago. The Humboldt Park neighborhood, located on the West Side, has long faced issues related to gang violence and crime, which contributed to the circumstances leading to Santiago's death.
Following the incident, Lord Byron Mancilla was arrested and charged with the murder of Jonathan Santiago. Mancilla pleaded guilty to one count of first-degree murder, and in 2016, he was sentenced to 20 years in prison for the crime. The plea agreement provided some measure of justice for Santiago's grieving family, though it also highlighted the ongoing struggle of many Chicago communities to contend with violence and its devastating effects. Santiago's death was part of a broader issue of violence that plagued Chicago during this period, with the city recording multiple homicides and hundreds of shootings throughout 2013.