Hunter on 60 minutes said something like, as a private citizen that he didn't have to open his kimono re. money..
https://www.justice.gov/usao-cdca/pr/former-officer-us-customs-and-border-protection-sentenced-over-2-years-federal-prison
“Mr. Xu betrayed his oath to uphold the laws of the United States solely to put more money in his pocket,” said United States Attorney Nick Hanna. “The scope of his corrupt conduct is wide-ranging – he endangered the public by selling off-roster firearms, and he lied to federal government officials to cover up his illegal activities and his connections to Chinese nationals. The prison sentence imposed today is the result of Mr. Xu’s conscious choices to take advance of his law enforcement position to generate profits for himself.”
seems like a light sentence…