The Republican, who headed The Congressional NextGen 9-1-1 Caucus, represented the Illinois's 15 congressional district before the 20th Congressional District of Illinois.
The 20th Congressional District of Illinois was a congressional district for the United States House of Representatives in Illinois. 
 It was eliminated as a result of the 2000 Census. 
 It was last represented by John Shimkus who was redistricted into the 19th District. 
John Mondy Shimkus ( , born February 21, 1958) is the U.S. Representative for Illinois 's 15 congressional district , since 1997. 
 The caucus is headed by Congressman John Shimkus (R-IL) and Congresswoman Anna Eshoo (D-CA). 
