Watch Tales of the Grim Sleeper full movie online Movies123. Watch Tales of the Grim Sleeper 123movies online for free. Tales of the Grim Sleeper 123Movies: When Lonnie Franklin Jr. was arrested in South Central Los Angeles in 2010 as the suspected murderer of a string of young black women, police hailed it as the culmination of 20 years of investigations. Four years later documentary filmmaker Nick Broomfield took his camera to the alleged killer’s neighborhood for another view.