WEST JORDAN — When a charitable stranger on Twitter offered to pay off disabled retiree Roderick Boyd's bills, it didn't immediately trigger any red flags. "This was a totally new approach for me. I'd never heard of anybody defrauding people by paying their bills," Boyd, 62, recalled. Instead, it appeared to signal that things might turn around for the West Jordan man, who had sustained a foot injury early last year and lost half his foot. Living on just $794 a month from Supplemental Social Security, which goes to those with disabilities, Boyd said he'd been trying to get out of debt and i...