Joseph Wambaugh
Joseph Wambaugh is an American author of crime fiction, mystery novels and true crime non-fiction. Before becoming an author, Wambaugh served in the U.S. Marines and then joined the LAPD, where he served 14 years and made detective sergeant. Wambaugh often sets his novels in Los Angeles, where he often creates police officers with flawed personalities, rather than heroic, but maybe unrealistic cops.