As a devastated family looks for answers following a recent house fire that claimed four lives, City of South Fulton police and fire investigators are working together with groundbreaking technology to find those answers. Officials have not identified a cause for the Oct. 18 blaze that broke out just before dawn in a home shared by 12 family members. But, they’re bringing out the big guns with a forensic scanner purchased by police nearly three years ago that is revolutionizing crime scene reconstruction.