1 cup chocolate sandwich cookie crumbs, (about 15 cookies)
3 tablespoons unsalted butter, melted
1 cup (6 ounces) dark or semisweet chocolate, chopped
1 1/2 cups heavy cream, divided
16 ounces cream cheese, room temperature
1 tablespoon + 2 teaspoons espresso powder
2 tablespoons light brown sugar
1/4 teaspoon cinnamon
3/4 cup powdered sugar, divided
1 teaspoon vanilla bean paste or vanilla extract
2 tablespoons coffee flavored liqueur
chocolate covered espresso beans and whipped cream, for garnish