Oklahoma County’s high prosecutor confirmed Thursday he is investigating whether or not a current marketing campaign advert by Gov. Kevin Stitt violates state regulation and ethics guidelines. David Prater stated he launched an investigation after a bipartisan group of Home legislators advised the 30-second advert, titled “Observe Document,” violates state regulation.”I take into account this a severe matter,” Prater stated in an announcement to The Related Press. “I’ll respect the lawmakers’ request and examine to find out if proof exists to show a violation of Oklahoma prison statute.”Stitt’s relationship with the Legislature, significantly Home Republicans, has grown tense in current …