IOPC launches independent investigation after referral by Scotland Yard over 2019 letter about Thomas MarkleScotland Yard faces an independent investigation into its failure in 2019 to pass claims alleging wrongdoing by Thomas Markle, the father of the Duchess of Sussex, to law enforcement agencies overseas.The force had referred itself to the Independent Office for Police Conduct (IOPC) over its handling of a letter written by Markle’s former wife, Roslyn Loveless.