"'Listen, Izzie's sister passed away last night.' / 'What, really? Baruch dayan ha-emet!'" (Glinert)
"Baruch Dayan Ha’Emes: Devastating Update on Porush Family" (source)
"Traditionally, upon receiving the news of a loved one’s demise the following blessing is recited: Baruch Dayan Ha-Emes (Blessed are you, Lord, the true righteous judge)." (source)
"Boruch Dayan Ha'Emes. It is with great sadness that we inform of the passing of..., mother of..." (source)
"Is it inappropriate to say Baruch Dayan Haemes on a Ben Noach? What about someone who may have been an oved avoda zarah?" (source)
"When an an avel makes the brocha "Boruch Dayan HaEmes," the term is "HaEmes". However, I often hear people reply "Boruch Dayan Emes" when they hear news of a death. Is that a proper term or should their reply be "Boruch Dayan HaEmes" like the avel himself?" (source)
"When we say 'barukh dayan haemet,' we are not thanking God for death. Neither are they words of comfort." (source)