Morka
Morka was a Klingon Intelligence operative who lived during the late 24th century. 

Morka, along with his two companions Atul and Bo'rak, arrived at Deep Space 9 in 2371 aboard a freighter, under the guise that their ship's main computer required a complete overhaul. 

Shortly after their arrival, Quark complained to Miles O'Brien that the Klingons destroyed two of his holosuites. When O'Brien told him he should know better, Quark remarked that "they're paying me double." Quark, nevertheless, allowed them back into his holosuites (as they offered to pay Quark triple), while promising the station personnel he would not let them into the bar so as to avoid any confrontations with the Romulans. 

Five hours later, they emerged from the holosuite and Morka expressed his desire to eat. The trio quickly spotted the Romulans after they entered the bar, when Morka asked "Who let these filthy pahtak in here?" – this before a brawl broke out in the bar among both parties.

When their true identity was eventually discovered, they were arrested by Odo, who revealed that they were sent by Chancellor Gowron as a covert strike force, there to observe the Romulan delegation. After Sisko felt that he had enough evidence to hold the Klingons for questioning, all three were arrested.

While in the holding cell, Morka exclaimed that "This is an outrage!  We've done nothing!  This before warning that "We are being treated with dishonor. We have done nothing wrong." Odo 
explained that "We take a very dim view of spies and saboteurs on this station," inciting Morka to reply, "Now you slander us.  When my family finds out what you have done, they will come here and kill you!" 

Odo then explained the he doubted that very much, before revealing that he was aware of their identity, and threatened to inform Klingon Intelligence of their failed mission. Knowing the jig was up, they backed down, leaving Odo to offer to them that "if you should suddenly feel like cooperating with us, I may be persuaded to let you go without contacting your friends in Intelligence. Maybe." ()

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