The Walker staffer did not file a police report at the time of the alleged incident. The Walker staffer has filed a separate “John Doe” suit against Wren for defamation in D.C. federal court. Schlapp left the White House in 2005 to become the top in-house lobbyist in Washington for Koch Industries. When Schlapp left Koch four years later, he started his own consulting firm, Cove Strategies. Premium ticket packages have surged from $1,700 in 2015 and $5,000 in 2017 to as much as $30,000 for this year’s CPAC, according to its website.