(January 12, 2022, 3:58 PM EST) -- DAYTON, Ohio — An expert retained by a man charged with mail fraud and witness tampering in connection to his alleged attempts to defraud his mortgage holder may testify about general terms and practices in the insurance claims industry, but an Ohio federal judge on Jan. 4 largely barred his testimony, finding that his opinions are irrelevant or likely to confuse or mislead a jury....