Watch The London Underground Killer (2024) HD Full Movie Free on solarmovie.do. Watch The London Underground Killer (2024) online free. In a South London police station, a homeless man kills hishis cellmate. Police interview 53-year-old...In a South London police station, a homeless man kills hishis cellmate. Police interview 53-year-old Kieran Kelly, and then he calmly confesses to decades of murders, many on the London Underground.