Place chicken thighs, chickpeas, diced tomatoes, onion, and garlic in the crockpot.
In a small bowl, mix cumin, cinnamon, ginger, turmeric, cayenne, salt, and pepper.
Sprinkle spice mixture over ingredients in the crockpot and stir to combine.
Cover and cook on low for 6-7 hours or high for 3-4 hours.
Serve over couscous or quinoa.
