In a large bowl, combine the first 7 ingredients. Stir to combine.
Peel and devein shrimp. Skewer shrimp on metal skewers before grilling
Melt butter, add cayenne, salt, pepper, and lime juice. Whisk and brush skewered shrimp with butter mixture.
Place shrimp on a preheated grill and cook for 2-3 minutes flip over and cook additional 3 minutes or until shrimp are cooked through.
Remove shrimp from skewers.
Skewer 4 individual shrimps on individual long picks and serve as garnish
Chop remaining chargrilled shrimp into bite-size pieces, and stir into the cold mixture
Serve with tortilla chips