U.S. Rep. Aaron Schock's (R-IL,18) spending habits are reportedly under investigation by the FBI and Illinois federal prosecutors, according to reports.
The FBI has reportedly started its process of sending subpoenas for witnesses to testify before a Springfield-based grand jury, which is being assembled.
Among other items, federal investigators are said to be looking into Schock's travel and unreported in-kind donations provided by campaign donors as well as the congressman's mileage reimbursements, CNN reported.
The Republican congressman abruptly resigned Tuesday following numerous reports and calls for investigations surrounding his spending of campaign funds and taxpayer money. Click through for more on the controversey surrounding Schock and his expenses.