O’FALLON, IL BOOKKEEPER SENTENCED TO FOUR YEARS IN PRISON FOR DEFRAUDING CLIENT OUT OF MORE THAN $1,000,000

O’Fallon, Ill. – An O’Fallon, Illinois, bookkeeper was sentenced to 4 years in prison for 
defrauding one  of  her  clients  out  of  more  than  $1,000,000.  The  sentencing  hearing  was  
conducted  on Thursday, October 21, 2021, in U.S. District Court in Benton, Illinois.
“While our work on violent crimes often garners larger headlines, the public should be remined that 
financial crimes remain a clear federal priority,” said Steven D.  Weinhoeft, United States 
Attorney for the Southern District of Illinois. He continued, “Financial criminals like Dvorak 
cause great harm and must be held accountable.”

“For years, Dvorak bilked her employer’s accounts, choosing greed over trust,” said FBI Special 
Agent in Charge David Nanz.   “No matter how simple or sophisticated the fraud scheme, the FBI 
won’t hesitate to bring all available resources to bear to hold criminals accountable and seek 
justice for victims.”

Kathleen M. Dvorak, 61, conducted a large, multi-year fraud scheme, against one of her clients. 
From  2012  through  2019,  Dvorak  defrauded  the  victim  out  more  than  $1,000,000.  Evidence 
presented in court established that Dvorak took this money from her client in two primary ways:
(1) by writing large checks, payable to herself, that were drawn on the victim’s bank account; and
(2) by taking large amounts of cash back for herself when she deposited checks payable to the 
victim into his bank accounts. Dvorak concealed her fraud from the victim by making false entries 
into his Quickbooks accounting program.

In addition to the four-year prison sentence, the court also ordered Dvorak to pay $1,495,072.74 to 
 her  victim.  The  court  further  sentenced  Dvorak  to  serve  three  years  of  supervised  
release following  her  release  from  prison.  As  a  condition  of  her  supervised  release,  
the  court  ordered Dvorak to participa e in treatment for gambling addiction and to not 
participate in any further gambling activities.

The case was investigated by the Federal Bureau of Investigation, Springfield Division, Fairview
Heights Resident Agency.
Assistant U.S. Attorney Scott Verseman prosecuted the case.