Dateline NBC has been an NBC staple since 1992. For 35 years, the anchors and correspondents have investigated everything from high-profile murders to significant events shaping our country.

NBC’s “Dateline” is set to air an hour-long episode about the 2010 killing of Granby woman Annamarie Cochrane Rintala in her home by her wife Cara Rintala who was recently convicted by a Hampshire ...