The case was from Illinois [2], but echoed our Simon Glik case [3]. By declining to hear an appeal from the state of Illinois, the nation's highest court left standing a lower-court ruling [4] that you have a First Amendment right to record police on the job in a public place.
In both cases, the rulings came on state laws that made it a crime to record somebody without their permission.
Links:
[1] http://www.universalhub.com/users/adamg
[2] http://www.chicagotribune.com/news/local/breaking/chi-supreme-court-rejects-plea-to-prohibit-taping-of-police-20121126,0,686331.story
[3] http://www.universalhub.com/taxonomy/term/5540
[4] http://www.aclu-il.org/wp-content/uploads/2012/05/Alvarez_ruling.pdf
[5] http://www.universalhub.com/taxonomy/term/24
[6] http://www.universalhub.com/lawsuits