Blue Crab Sauce and Spaghetti

1 Dozen medium size fresh Blue Crab, cleaned
1/3 cup cooking oil
4 large cloves chopped garlic
3 (28 oz) cans crushed tomatoes
1/2  Tbs crushed red pepper flakes (opt)
salt

In large sauce pot heat oil on medium heat.  Add crabs, lower heat, cover and simmer for approx 20 mins or until crabs turn pink in color.  Add garlic to oil at bottom of pot, stirring so crabs do not burn.  Add tomatoes, pepper and salt.  Simmer on med/low for 1 1/2 hours.  Serve on top of spaghetti.