Illinois resident Gary Tsai was handed a lenient supervised sentence on Friday stemming from a case involving his father and alleged support for a North Korean entity known to be one of the country’s primary arms dealers.

Tsai’s sentence follows the 24-month sentence handed down to his father Alex Tsai on March 18 for “conspiring to violate U.S. laws preventing proliferation of Weapons of Mass Destruction (WMD).”

“Mr. Tsai (Gary) was sentenced to 3 years supervised release and a $250 fine,” Kimberly Nerheim, a Public Affairs Officer at the U.S. Attorney’s Office in the Northern District of Illinois told NK