( March 18, 2014) -- The Justice Department’s investigation of anticompetitive conduct in the airline charter service business has led to a recent guilty plea by a former owner and operator of a Florida-based airline fuel supply service company for his involvement in a kickback scheme. That plea comes on top of other guilty pleas by four individuals, who are serving from 16 to 87 months in prison and have been ordered to pay more than $580,000 in restitution....