<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.uchunguzi huu ulifanywa na kikosi cha kupambana na rushwa cha met, ndani ya kurugenzi ya viwango vya utaalam, na kuelekezwa na ofisi huru ya maadili ya polisi.  <response>: this investigation was undertaken by the mets anti-corruption command, within the directorate of professional standards, and directed by the independent office for police conduct. 