Mexican Firing Squad

It seems like you are referring to a dish called "Mexican Firing Squad" that can be found in some restaurants in the USA. However, there is no widely known or traditional Mexican dish by that name. Instead, "Mexican Firing Squad" is likely a creative name for a cocktail or a dish that features Mexican flavors and ingredients.

Based on my general knowledge, a "Mexican Firing Squad" cocktail typically contains tequila, lime juice, grenadine, and soda water. It is shaken and served over ice with a lime wheel and cherry garnish.

If you are referring to a dish called "Mexican Firing Squad," it is possible that it is a spicy meat or seafood dish, such as shrimp or steak, that is cooked with a variety of Mexican spices and chilies.

To learn more about this specific dish or cocktail, I would recommend searching for recipes or descriptions from the particular restaurant that you are interested in or contacting them directly for more information.