Biggs [Government Surveillance hearing]: Rather than obtain a warrant, government agencies like the Federal Bureau of Investigation, the Internal Revenue Service, the Drug Enforcement Agency, and the Department of Homeland Security, can simply turn to data brokers and purchase mass amounts of American's data. This includes such private information like location and health information, and so on. Currently, with a disturbing amount of frequency, data brokers sell American's personal information to law enforcement and intelligence agencies without any court oversight.