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SUPREME INVESTIGATIONS Licensed Illinois Private Detective Agency
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 Licensed by IDFPR  Court-Ready Documentation  Serving Attorneys & Families  Confidential & Discreet

Supreme Investigations PLLC  ·  Licensed Private Detective Agency  ·  Chicago, Illinois

Child Custody Investigator Chicago

Supreme Investigations is a licensed child custody investigator serving Chicago, Cook County, DuPage County, and all of Chicagoland. When parenting time, visitation, or child welfare concerns require documentation, we provide discreet surveillance, timestamped activity logs, and written reports prepared for attorney review and potential family court use.

Licensed authority for sensitive family matters: Supreme Investigations is licensed by the Illinois Department of Financial & Professional Regulation (IDFPR) under 225 ILCS 447 — Agency #117.001922, Detective #115.002750.

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Parental Fitness Surveillance

We conduct discreet custody surveillance that documents parental behavior, living conditions, and child welfare. Each assignment produces HD video, timestamped activity logs, and written reports structured for family law attorneys and Cook County proceedings.

  • Mobile and stationary surveillance
  • HD video with timestamps and GPS
  • Written reports for family law use

Custody Order Compliance

We document violations of existing custody orders, including unauthorized travel, parental alienation behaviors, missed parenting time exchanges, and exposure to harmful environments. Our findings are structured for contempt proceedings and modification petitions.

  • Order violation documentation
  • Parental alienation evidence
  • Contempt proceeding support

Endangerment Documentation

We document substance use, unsafe living environments, neglect, and exposure to criminal activity when a child’s safety is at risk. Child welfare investigation findings are compiled for emergency modification and protective order proceedings in Cook County.

  • Substance use and neglect documentation
  • Unsafe environment evidence
  • Emergency modification support

Background Investigations

We conduct background investigations on a co-parent, new partner, or caregiver when child welfare is a concern. Our research covers criminal history, civil court records, and public filings that may be relevant to custody evaluations, visitation investigations, and GAL reports.

  • Criminal and civil court history
  • New partner and caregiver screening
  • GAL and evaluation support

Witness Interviews

We locate and interview teachers, neighbors, family members, and other witnesses with relevant knowledge about parenting, living conditions, and child welfare. Interviews are recorded and transcribed for use in custody and visitation proceedings.

  • Witness location and recorded interviews
  • Written transcripts for legal use
  • Neutral and objective documentation

Locate & Skip Tracing

We locate co-parents who have relocated or hidden a child’s whereabouts in violation of parenting time orders. When family court documentation requires it, we conduct skip tracing, database research, and field investigation across Illinois and surrounding states.

  • Co-parent and child location services
  • Interstate coordination when needed
  • Court documentation of findings

Supreme Investigations PLLC conducts licensed child custody investigations across Chicago, Cook County, DuPage, Lake, Will, Kane, and McHenry counties under the Illinois Private Detective Act (225 ILCS 447). Every case is handled in-house — never outsourced — and all findings are documented in written, court-ready reports prepared for family law attorneys and formatted for potential family court use. Our custody surveillance in Chicago pairs directly with surveillance investigator Chicago services for behavioral documentation, witness statement Chicago collection for corroborating testimony, and licensed Process Server Chicago services for same-week service of custody filings across all Cook County jurisdictions.

Licensed & Insured
Illinois #117.001922 · #115.002750.
Court-Ready Reports
We deliver video, activity logs, and written reports for Cook County court.
Testimony Available
The investigator is available for depositions and family court testimony.
Direct Communication
A licensed investigator works your case directly from start to finish.

Related Services

Child Support Investigation
Surveillance
Infidelity Investigations

Frequently Asked Questions

Can a private investigator help with a child custody case?
Yes. A licensed private investigator can conduct surveillance, document parental behavior, gather background information, interview witnesses, and compile findings into written reports for your family law attorney. In Illinois, private investigators must be licensed under 225 ILCS 447. Supreme Investigations PLLC holds Agency License #117.001922 and handles every case in-house — never outsourced.
What can be documented during a custody investigation?
A custody investigation can document parenting time compliance, visitation violations, living conditions, substance use, child welfare concerns, parental alienation behaviors, unauthorized travel, exposure to unsafe environments, and the background of new partners or caregivers. All findings are captured with HD video, timestamped activity logs, GPS data, and written investigative reports.
Is custody surveillance legal in Illinois?
Yes. Surveillance conducted in public spaces and areas visible from public vantage points is lawful in Illinois when performed by a licensed private detective under 225 ILCS 447. Supreme Investigations holds both agency and individual detective licenses issued by IDFPR and conducts all custody surveillance in Chicago in compliance with Illinois law.
Do you work with family law attorneys?
Yes. Supreme Investigations PLLC regularly works alongside family law attorneys across the Chicagoland area. Court-ready reports are formatted with attorney review in mind, and the investigator is available for depositions, GAL interviews, and court testimony when required by counsel.
Can your reports be used in court?
Reports and documentation from Supreme Investigations are prepared for attorney review and potential use in family court proceedings. Whether evidence is ultimately admitted is determined by the presiding judge based on the rules of evidence — your attorney is best positioned to advise on admissibility in your specific case.
What areas do you serve?
Supreme Investigations PLLC serves Chicago and all of Chicagoland including Cook County, DuPage County, Lake County, Will County, Kane County, and McHenry County. Interstate coordination is available for parenting time investigation and visitation investigation matters that cross state lines.

Ready to Start?

Call directly or submit a confidential case intake to discuss your child custody investigation. Every case is handled directly by a licensed Illinois private investigator, discreetly and professionally, with documentation prepared for Cook County family court from day one.

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Supreme Investigations PLLC · Licensed Agency #117.001922 · Detective #115.002750 · Chicago, Illinois · Se habla español