A ‘lethal’ fentanyl dose is about 2 milligrams—an amount so minuscule that in a test tube it looks like a few grains of salt clinging to the glass....’Carfentanil’ the deadliest fentanyl cousin is 100 times stronger, making it about 10,000 times more potent than morphine...
In one country late August 2016, saw 176 drug overdoses, primarily from carfentanil..
Carfentanil is scary stuff. Last year two guys were arrested in Maryland for importing 400-500 grams, in addition to Fentanyl. That’s 20 - 25 million fatal doses.