Deported by the US, Giovanni Miranda plunged into a circle of violence that traps countless Central American migrants.
In June alone, 700 people in El Salvador died in killings that many have attributed to gang violence.
As violence worsens, police say they are coming under attack by gangs that have been bolstered with new weapons.
Gang members respond that police have carried out human rights abuses on duty.
Al Jazeera’s Adam Raney reports from San Salvador.