The scheme reportedly cost the U.S. government millions of dollars.
He defrauded at least 23 victims across the U.S. in a decade-long scheme.
Louisville officials said that three crew members aboard the plane and four others on the ground were among the deceased.
The police said the shooter is dead.
The death toll from severe storms in the midwest and southern United States has risen to at least 20, according to local media.
The death toll in the state rose from eight, including a seven-year-old child, on Sunday.
Thousands of flights have been delayed or cancelled, and several roads have been cut off due to the storm.
In northern Texas, seven were killed, eight died in Arkansas, two died in Oklahoma, and two were killed in Kentucky due to the storms over the weekend.
In Kentucky, Governor Andy Beshear won re-election for a second four-year term, turning aside a challenge from Republican Attorney General Daniel Cameron.
Mr Fatuase said the atmosphere and state workers are already “charged”, especially as they are affected by the increase in petrol pump prices.
