Cathleen "Cathy" Scott (born in the 1950s in San Diego, United States) is a Los Angeles Times bestselling American true-crime writer and investigative journalist best known for penning the biographies and true crime books The Killing of Tupac Shakur and The Murder of Biggie Smalls, both bestsellers in the United States and United Kingdom. She grew up in La Mesa, California and later moved to Mission Beach, California, where she was a single parent to a son, Raymond Somers Jr.