Biography: From Wikipedia, the free encyclopedia.   Joseph Aloysius Wambaugh, Jr. (born January 22, 1937) is a bestselling American writer known for his fictional and non-fictional accounts of police work in the United States. Several of his first novels were set in Los Angeles, California, and its surroundings, and featured Los Angeles police officers as protagonists. Description above from the Wikipedia article Joseph Wambaugh, licensed under CC-BY-SA, full list of contributors on Wikipedia.