Tracy Weber, in collaboration with Charles Ornstein, was a lead reporter on a series of articles in the Los Angeles Times titled "The Troubles at King/Drew" hospital that won the Pulitzer Prize for Public Service, the Robert F. Kennedy Journalism Award and the Sigma Delta Chi Award for public service in 2005. Her ProPublica series, with Charles Ornstein, "When Caregivers Harm: California's Unwatched Nurses" was a finalist for a 2010 Pulitzer Prize for Public Service.
Weber reported for the Los Angeles Times from 1994 to 1999 and again beginning in 2003. Previous to her prize-winning collaborations with Ornstein, Weber spent a year reporting from inside California's juvenile court system, prompting reforms in state law. Earlier in her career she reported for the Los Angeles Herald Examiner and the Orange County Register.