Catherine Crump is a Staff Attorney with the ACLU's Speech, Privacy and Technology Project. She specializes in free speech and privacy litigation, particularly regarding the impact of new technologies on First and Fourth Amendment rights. Crump recently organized a nationwide public records investigation that found local police departments regularly tracking citizens through their cell phones without warrants. The project was featured in myriad news outlets, including The New York Times, The Washington Post, and MSNBC. She is also litigating a series of cases challenging the government's claim that it can legally track the location of people's cell phones without a warrant. Crump has been counsel of record for several ACLU amicus briefs in important cases involving technological surveillance, including United States v. Jones, the Supreme Court case heard last term ruling that the GPS tracking of vehicles constitutes a search. Crump is a non-residential fellow at the Stanford Center for Internet and Society, a 2004 graduate of Stanford Law School, and a 2000 graduate of Stanford University. Twitter: @catherinencrump