He has been a spokesperson for Absolute Poker since 2004.
Absolute Poker was established in 2003, it is licensed by the Kahnawake Gaming Commission.
Shackleford subsequently blacklisted Absolute Poker on his gaming related website.
On October 19, an unofficial source within Absolute Poker claimed that an employee had hacked the system to "prove a point".
Among other consequences, Absolute Poker was fined $500,000.
UltimateBet had a cheating scandal similar in nature to that of Absolute Poker.
Absolute Poker was engaged in such as scandal along with site consultant and notable poker player Russ Hamilton.
Because the charges against Absolute Poker and UltimateBet represent a much larger percentage of its revenues, their survival is in jeopardy.
Earlier this year, Absolute Poker raised more than $14,000 for victims of the Asian tsunami.
The government also asked the judge to approve a settlement with the third defendant, Absolute Poker.