Gun violence spikes alarmingly in Sweden, now reporting the highest gun homicide rates in Western Europe. The cause? Weapons smuggled from the Western Balkans, where conflicts once raged. A lone gunman in Montenegro recently killed 13 people, highlighting the deadly reach of these arms. People & Power uncovers how these illegal guns travel from former Yugoslav factories and black markets to the hands of gangsters in Stockholm. This chain fuels violent crime across Europe, creating a hidden war with a heavy human toll. With exclusive access and eye-opening testimony, the investigation exposes a vast criminal network spreading fear and violence authorities struggle to stop.