HARD cook eggs; remove when finished and cool completely.
IN a medium-sized skillet, cook turkey bacon until crisp; drain and cool on a paper towel; when cooled, crumble bacon and set aside.
WHEN eggs are cooled, removed shells and slice in half; remove yolks from eggs and place in a bowl.
MIX together yolks with mayonnaise, mustard, vinegar, salt and bacon.
PUT yolk mixture in a freezer bag and cut the tip off, or use a pastry bag, and fill each egg white with yolk mixture.
SPRINKLE with chives and serve.