This series analyzes the salaries of Minnesota's state employees and found that in the year before the governor instituted a state hiring freeze, about a third of the state work force earned more than $50 million in overtime pay. A handful of employees earned more in overtime pay than in regular wages. The analysis supported claims by employee unions that understaffing was driving up overtime costs. The series also revealed that faculty at state colleges and universities are earning significant bonuses for teaching online courses beyond their full-time course load. Two St. Cloud State University professors rank among the highest-paid state employees in Minnesota.