Information Center


The Warrant Unit is responsible for reviewing most cases submitted to our office to determine if a criminal charge will be filed. My goal for this unit is to review every case with a view towards holding accountable those who break the law and obtaining justice for victims and the community. The Warrant Unit attorneys are:

Jonathan Barker - Property-Fraud - First Assistant Prosecuting Attorney

Jonathan joined the Greene County Prosecutor’s Office in February 2007 as a member of the General Crimes Unit where he prosecuted property and traffic offenses, and worked within the Restorative Justice Program. Later in 2007 Jonathan was assigned to the Person’s Unit where he became a Senior Assistant Prosecutor in 2010, and was responsible for prosecuting assaults, domestic assaults, weapons offenses, and crimes against children, including sexual assault and forcible rape.

After leaving the office for private practice in 2012, Jonathan returned in 2014 as a Senior Assistant Prosecutor in the Major Crimes Unit where he prosecuted assaults, robberies, homicides, and other dangerous offenses. Jonathan was promoted to the position of First Assistant in the Property-Fraud Unit in 2016, where he supervises the Property-Fraud Senior Assistant Prosecutors, and prosecutes property and fraud offenses included burglary, forgery, stealing, trafficking in stolen identities, and other felonies.

Jonathan graduated Summa Cum Laude from Weber State University 2002, with a Bachelor of Science in Criminal Justice and an emphasis in Criminal Law. He received his law degree from the University of Missouri – Kansas City School of Law in 2006, where he was a published member of the Law Review.  Jonathan was admitted to the Missouri Bar in 2006.

Sarah Devlin - Property-Fraud - Senior Assistant Prosecutor Attorney

Sarah Devlin joined the Greene County Prosecutor's Office as a Senior Assistant in February of 2014. In 2006, Sarah graduated cum laude from Truman State University. Sarah began her career in the Missouri State Legislature, working with Budget Chairman Allen Icet. Sarah then received a Juris Doctorate and Certificate of Dispute Resolution from the University of Missouri School of Law. Before joining this office, Sarah served as the Deputy Director of Policy and Administration for Secretary of State Robin Carnahan, and was an Assistant Public Defender for the Missouri State Public Defenders Office.

While serving the Greene County Prosecutor’s Office, Sarah’s career has focused primarily on property crime: targeting repeat property offenders as well as scrap yards and pawn shops which knowingly accept stolen property in order to stop the market for stolen goods.

Sarah is also an active volunteer within the Missouri Bar. As a member of the Missouri Bar Speakers Bureau, she has presented continuing legal education courses on the topics of criminal probation supervision, cross-cultural client relations, and the Missouri Bi-Partisan Court Plan. As a member of the Government Attorney Legislative Review Sub-Committee, Sarah reviews and comments on legislation which may affect communities and law enforcement throughout the state. Sarah was one of twelve attorneys chosen to participate in the Missouri Bar Leadership Academy in 2014. Sarah is also on the Annual Meeting Planning Committee.

Michael Jacobs - Property-Fraud - Senior Assistant Prosecuting Attorney

Michael joined the Greene County Prosecuting Attorney's Office in November of 2016.  He received his undergraduate degree from the University of Missouri-St. Louis, majoring in Business Administration.  Michael received his Juris Doctorate from the University of Missouri School of Law in 2012.  Before becoming a prosecutor he practiced criminal defense.

Justin Stanek - Property-Fraud - Senior Assistant Prosecuting Attorney

Justin joined the Prosecutor's Office in June of 2014 and is originally from Bolivar, Missouri. He graduated from the University of Missouri - Columbia with degrees in Political Science and Classical Humanities in 2008. Justin graduated from the University of Missouri-Kansas City School of Law in 2011. While in law school, he was selected for the National Moot Court Team. He previously practiced at a private local law firm in the area of criminal defense and also served as the City Prosecutor for Bolivar, Missouri As a lifelong resident of the Ozarks, Justin is active in the community as a member of the local Rotaract Chapter and has previously served as a Chairman for the Mainstreet Organization and Director on the Chamber of Commerce for Bolivar, Missouri. 

Ashley Twibell - Property-Fraud - Senior Assistant Prosecuting Attorney

Ashley Twibell joined the Greene County Prosecutor's Office in February of 2014. Ashley is originally from Kansas City and received her undergraduate degree from The University of Kansas. In 2012, Ashley received her Juris Doctorate degree from the University of Missouri-Kansas City School of Law. While in law school, Ashley served as a Rule 13 Certified Attorney in the Child and Family Services Clinic and the Guardian ad Litem Clinic. She also volunteered with Jackson County CASA throughout law school. Prior to joining our office, Ashley worked at Legal Services of Southern Missouri. She primarily focused on family law cases and worked with the juvenile unit representing parents in abuse and neglect cases in Greene County. She also assisted with the Domestic Violence unit, aiding clients with obtaining orders of protection.