Here is a list of the 12 states that require 2-party consent for recording phone conversations from http://en.wikipedia.org/wiki/Telephone_recording_laws#Unite

Here is a list of the 12 states that require 2-party consent for recording phone conversations from http://en.wikipedia.org/wiki/Telephone_recording_laws#United_States http://en.wikipedia.org/wiki/Telephone_recording_laws#United... California Connecticut Florida Illinois Maryland Massachusetts Michigan Montana Nevada New Hampshire Pennsylvania Washington 11 blue states and 1 red state The Boston cases clearly seem like police abuse of wiretapping laws which were originally intended to protect citizens talking on the phone (not hide evidence of physical violence against them)