Matt Stiles covers Los Angeles County for the Los Angeles Times. He previously reported on North and South Korea from Seoul for the newspaper’s foreign desk, explaining the political and military tensions between the two nations. Before joining The Times, he worked for the Wall Street Journal, NPR and the Texas Tribune, among other news organizations. Stiles specializes in using data analysis and visualization to explain complex stories. Please send documents, pictures and messages privately using the Signal smartphone app to (202) 670-8742.