"A defendant can always raise unconstitutionality as a defense 'where a statute is invalid upon its face and an attempt is made to enforce its penalties in violation of constitutional right.'"
An Introduction To Constitutional Law Video Library: Pennsylvania Coal Co. v. Mahon (1922), Penn Central Transportation Company v. New York (1978), Kelo v. City of New London (2005)
An Introduction To Constitutional Law Video Library: District of Columbia v. Heller (2008), McDonald v. City of Chicago (2010), New York State Rifle & Pistol Association, Inc. v. Bruen (2022)
An Introduction To Constitutional Law Video Library: Engel v. Vitale (1962), McCreary County, Kentucky v. ACLU of Kentucky (2005), Van Orden v. Perry (2005), Town of Greece v. Galloway (2014)
An Introduction To Constitutional Law Video Library: Sherbert v. Verner (1963), Wisconsin v. Yoder (1972), Employment Division v. Smith (1990), Church of the Lukumi Babalu Aye v. City of Hialeah (1993), Burwell v. Hobby Lobby Stores (2014)
An Introduction To Constitutional Law Video Library: Schenck v. United States (1919), Debs v. United States (1919), Gitlow v. People of the State of New York (1925), Abrams v. United States (1919), Stromberg v. California (1931), United States v. O’Brien (1968), Texas v. Johnson (1989), R.A.V. v. City of St. Paul (1992), Buckley v. Valeo (1976), McConnell v. Federal Election Commission (2003), Citizens United v. Federal Election Commission (2010), New York Times Co. v. Sullivan (1964), Snyder v. Phelps (2011), U.S. v. Stevens (2010), Brown v. Entertainment Merchants Association (2011), Tinker v. Des Moines Independent Community School District (1969), New York Times Co. v. United States (1971)