Today, it is standard procedure to use temporary employees long term, to keep the permanent staff small and flexible.
Other officials use employees in their office to drive them.
"These cases of using employees in elections generally become very hard to prove," he said.
His indictment on charges of using legislative employees in campaigns is a central issue.
But a few House Republicans predicted that some airports would want to use private employees in order to have more control over them.
Now how do they go out and audit somebody for using public employees for their personal needs.
He reorganised the current site, using expert help and engaging employees in the process.
"The law and the Constitution strongly suggest that you cannot use public employees for this purpose."
The insurance company, she added, saves about $1 million a year by using former employees.
She said the city's schools could save another $10 million by using municipal employees rather than outside contractors for pest control.