The race for the somewhat-obscure office of Illinois State Comptroller has pulled in more than $8 million in campaign donations.
The Comptroller decides which payments get made when.
State constitutional officers are usually elected in non-presidential years, but this is a special election: Judy Baar Topinka died shortly after winning the 2014 comptroller election.
Illinois Governor Bruce Rauner appointed Republican Leslie Munger to a short term. Susana Mendoza is the Democratic candidate.