Question: LAbyrinth is based on the book about the murder investigation of the hip-hop artist killed in what city?
Sentence (from "Murder of Tupac Shakur"): In the 2015 documentary "Murder Rap", which discusses Shakur's murder, former LAPD Detective Greg Kading, contends that Orlando Anderson's uncle "Keffe D" officially confirmed that Anderson was the one who shot and killed Shakur.
Relevant evidence: No