<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.inashangaza na kuudhi kwa wakati mmoja kuwa idara ambayo othman anaiongoza imeshindwa kuwapatia polisi taarifa za wahusika hawa.  <response>: he was angry at the ogpu officials soviet unions secret police for allegedly failing to inform him about mandelstams arrest. 