SANTA ANA, Calif.—An Orange County business owner was behind bars Tuesday in what California Attorney General Rob Bonta said was a “nationwide, multi-year, multimillion-dollar student loan debt relief scam.” Angela Kathryn Mirabella, 47, was being held without bail and was scheduled to be arraigned Wednesday in the jail courtroom in Santa Ana, according to jail records. She was one of seven people indicted on a range of charges, including conspiracy to commit grand theft and unauthorized use of personal identifying information in a scheme that prosecutors say netted more than $6 million from an estimated 19,000 victims nationwide, including 3,000 in California. Mirabella is the founder of The Mirabella Group LLC, located in Huntington Beach, as well as Student Renew LLC and My Financial Solutions, both of Newport Beach, according to a grand jury indictment. The alleged scheme involved multiple call centers that “swindled” student loan holders with promises of …