Illinois State Legislature Wonders Who is "CS-1": FBI Special Agent Bryan Butler’s affidavit

Capital Fax reports:

This is from the federal criminal complaint against state Rep. Derrick Smith (D-Chicago). It’s taken from footnote 1 on page 3 of FBI Special Agent Bryan Butler’s affidavit. “CS-1″ is the government mole who helped the feds nail Smith. CS-1 has apparently been helping the G for years

Imagine that.