Prosecuting Attorney

Carol Siemon

Ingham County Prosecutor

The Prosecuting Attorney’s Office reviews all requests for complaints and warrants involving violations of state law, Michigan State University and/or County ordinances.

The Prosecuting Attorney is responsible for a wide array of legal functions for Ingham County some of which include:

  • Chief Law Enforcement Official for Ingham County
  • Reviews, authorizes and prosecutes violations of felony and misdemeanor criminal laws of the State of Michigan committed within Ingham County
  • Reviews petitions involving juvenile persons under 17 who engage in state law violations
  • Reviews all drug and property forfeiture matters
  • Advises the Family Independence Agency on child abuse and neglect matters
  • Attends contested mental health commitment hearings
  • Files and prosecutes actions to establish paternity
  • Files actions to establish family support matters

Front desk and phone reception hours of operation: Monday – Friday, 8:30 am to 12 and 1 to 4:30 pm. Our office will have a staff person available at the front reception desk, and also addressing incoming phone calls, during these times.

The office is closed from 12:00 noon to 1:00 PM and on weekends and County Holidays. The office's main phone number is (517) 483-6108. The Family Support Unit can be reached at (517) 483-6540.

Our office is located at the Grady Porter Building/Veterans Memorial Courthouse Complex, 303 W Kalamazoo, 4R, Lansing MI 48933.

Carol Siemon

Ingham County Prosecuting Attorney

303 W. Kalamazoo St., 4R

Lansing, MI 48933

(517) 483-6272 (office)

(517) 483-6397 (fax)

Freedom of Information Act (FOIA) requests: For information on filing a FOIA request, either with the Prosecutor or any other Ingham County Department, please visit the County of Ingham's FOIA web page:

For further information click below:

 Office Information/Staff Assignments
 Internship Opportunities          
 Family Support
 Economic Crime Unit
 Information on collecting court-ordered restitution:

Elder Abuse: Here is some information from the National Center on Elder Abuse: It is a federally-funded project to provide information to senior citizens and their families, about keeping safe from scams: elder abuse brochure.pdf

Past reports:

Report on Missing Evidence at the Ingham County Sheriff's Office

2016 Year-end Report (Prosecutor Gretchen Whitmer)

Report on the Status of the Ingham County Prosecutor's Office