You may hear this case come up from time to time and you should be familiar with it. Whether you are a law enforcement officer or a private citizen.
This summarizes Glik v. Cunniffee better than I could:
[sic] On October 1, 2007, Simon Glik held out his cellphone and made an audiovisual recording of three Boston police officers, John Cunniffe, Peter J. Savalis, and Jerome Hall-Brewster, making an arrest on Boston Common. Though Plaintiff held the cellphone in plain view and did not interfere with the arrest, the officers arrested Glik for violating the Massachusetts wiretap statute, Mass. Gen. Laws ch. 272, § 99, as well as aiding the escape of a prisoner and disturbing the peace. The Commonwealth voluntarily dismissed the aiding the escape charge, and the Boston Municipal Court dismissed the remaining two charges by written decision dated February 1, 2008.
- Glik v. Cunniffe – Wikipedia
- United States Court of Appeals For the First Circuit – Glik v. Cunniffe (Alternate download – 10-1764P-01A)
- Confirmation of a Catch-22: GLIK V. CUNNIFFE AND THE PARADOX OF CITIZEN RECORDING
- A Victory for Recording in Public!
- The Right to Photograph & Record in Public – National Press Photographers Association (Alternate download los_2012_nppa)