IRS whistleblowers allege political interference in Hunter Biden federal tax probe, claim evidence implicating President Biden ignored

IRS criminal investigators Gary Shapley and anonymous whistleblower to testify before House Oversight Committee on July 19.
Whistleblowers claim Justice Department gave Hunter Biden preferential treatment, ignored evidence implicating President Biden, and allowed charges to expire.
Whistleblowers say prosecutors were reluctant to pursue search warrants and bring charges in multiple jurisdictions despite having authority.
House Republicans investigating Biden family international business dealings and potential national security risks.
Comes as Hunter Biden reaches plea deal on tax and gun charges amid ongoing federal criminal investigation.