NEW: Multiple “highly credible” FBI whistleblowers have come forward to senior Senate Republican @ChuckGrassley alleging widespread effort to downplay or discredit negative information about the President 's son Hunter Biden, according to letters @CBSNews https://t.co/hw5kGiTFVv pic.twitter.com/xAgMcpdXMu

— Catherine Herridge (@C__Herridge) July 26, 2022