SOMERVILLE — Where there was once bloody violence and criminal plotting, there is now preaching of salvation and grace.
The auto garage that once acted as thede facto headquarters for one of Greater Boston’s most notorious organized crime outfits of the past century is now the Greater Works Church of God Somerville.
For a decade, this was the Winter Hill Gang’s office for its gambling and loan-sharking business. It was at this address that James Sousa was killed in October 1974, after gangsters were worried he would cooperate with police following a botched rip-off of a local dentist in a fake gold bullion sale. Years later, one mobster, recalling that slaying, said “There was blood everywhere.”…