Illinois Private Eye Investigative Services & Private Process Service

Private Investigative Services for the General Public

General Public

Private Investigative Services

  • Domestic & Fidelity Investigations
  • Marital & Child Custody Investigations
  • Missing Persons
  • Stalking
  • Criminal Background Checks
  • Premarital Investigations

Missing Persons

In today's highly mobile society, locating an individual can be a difficult task without the proper knowledge.  From a lost loved one to individuals that skip town to avoid paying bills, Mark Foster can help you locate that hard-to-find person.


Illinois Private EyeFree Phone Consultation

Every case is different.  You’ll get a customized investigation to meet your needs.  For professional service and a free initial phone consultation or to schedule an investigation or process service, contact Mark Foster today

Private Investigative Services


Service Area


* main concentration