Illinois Private Eye Investigative Services & Private Process Service
NAPPS  - National Association of Professional Process Servers

NAPPS Member —
National Assoc. of Professional Process Servers

Mark welcomes all fellow NAPPS members to contact him for quick, professional service.

About Foster Investigations

Foster Investigations, Ltd. is a full-service, Illinois investigative firm owned and operated by Mark Foster — an Illinois Licensed Private Detective.

Mark Foster

  • Raised in Central Illinois
  • B.S. in Police Administration — Eastern Kentucky University
  • State of Maine Police Academy – graduate
  • Police Officer — Full time for five years
  • Private Investigator — 1995 founded Foster Investigations

Experienced Investigator.  Mark Foster has professional experience on hundreds of criminal defense cases — everything from a simple shoplifting charge to a capital murder case.

Excellent Communicator.  You'll appreciate the frequent updates on the progress of your case.  Mark prides himself on his professionalism, efficiency, and communication skills to keep you informed.

Location.  Foster Investigations is located in Bloomington/Normal, Illinois — the heart of Illinois.  This central location makes it easy to provide investigative services to Bloomington/Normal, IL, Peoria, IL., Champaign, IL and throught the entire Central Illinois Area.

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


Licensed & Insured

Foster Investigations, Ltd is fully insured and licensed by the Illinois Department of Financial and Professional Regulation (Illinois License # 115-001201)