In a court of law, that is true. However, this is an internet forum where we’re free to make all sorts of inferences from such information. Combined that bit with the loud music and barking dog information and you arrive at the conclusion that while filming the police is legal, it doesn’t excuse other illegal behaviors. I’d certainly hope police would arrest a jackass that pulled up next to them with his music blasting.
I’ve stood on a sidewalk and taken photos of police before. There were probably a dozen of us taking pictures and the police didn’t say or do anything to us; they seemed more focused on the situation before them. (It looked to be something like illegal alcohol sale or consumption, but there was something like 20 police at the scene of one house.)
Where the heck do you live that the illegal consumption or sale of alcohol would require twenty policemen and attract a dozen onlookers taking pictures?! Yeesh!
The Massachusetts law only applies to audio recording, not video recording, so a store surveillance camera that didn’t record audio would be OK. There’s also an exception that law enforcement can record conversations that they’re a part of even if the other party doesn’t consent, so dash cameras are OK as well:
According to the DLMP, a federal appeals court ruled in 2011 that openly recording police activity is protected by the 1st Amendment, and cannot be prosecuted under any state wiretapping law: