What is Iran’s game with allegedly caught CIA-Mossad agent? - analysis

Why have its public pronouncements been so disjointed, and what is the purpose of continuing to allow trickles of seemingly new details of a case which reportedly is more than half a year old? https://www.jpost.com/middle-east/what-is-irans-game-with-allegedly-caught-cia-mossad-agent-analysis-631438