Bo'rak

Bo'rak was a Klingon Intelligence operative in the 24th century. Bo'rak, along with Atul and Morka, were sent to Deep Space 9 in 2371 by Chancellor Gowron to observe a Romulan delegation being briefed on Dominion intelligence. Their true identity was eventually revealed and they were arrested by Odo. 

Bo'rak Bo'rak