Brock held a position as an officer of the ISB and served under Colonel Vak Somoril aboard the Reprisal. The BloodScar pirates were responsible for his death.
Not long after the Battle of Yavin, Brock went with Agent Mara Jade and Gilling to the BloodScar's base which was located on Gepparin. In reality, he was tasked by Colonel Vak Somoril with assassinating Mara Jade. Once they arrived on Gepparin, he bided his time until nightfall, at which point Gilling would ambush Jade while Brock occupied her attention. Mara, however, used the Force to anticipate the scheme, and therefore avoided the intended ambush. The blaster fire roused the pirates, and one of them, whose identity is unknown, ended up shooting Brock.