Locations to Serve You In South Dakota and Iowa

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Welcome to SD Professional Services LLC,  a full service Private Investigation company located in Sioux Falls & Rapid City, South Dakota, and Sioux City, Iowa, since 2010. We are licensed, bonded, and insured to serve the needs of attorneys, businesses, insurance companies, and private individuals in the states of South Dakota and Iowa.  We also conduction some investigations Nationwide.


Process Serving

Infidelity Cases / Cheating Spouse

Child Custody Issues and Divorce Cases

Nationwide Skip Tracing

Nationwide Locating People  & Assets

Nationwide Online Dating Background Check

Nationwide Social Media Investigations

Nationwide Cyber & Internet Investigations

Nationwide License Plate Recognition System

workMeet the Investigator:

Eric Hurlburt, CECI, CSMIE,CHTI

Licensed Private Investigator in South Dakota and Iowa, Nationwide Investigations Available

Specialty Areas: Certified Fraud, OSINT / Cyber Crimes, and Human Trafficking Investigator

Eric Hurlburt was born and raised in Southern California and moved to Sioux Falls in 2006.  His background is in law enforcement, fraud investigations, OSINT, and Cyber Crime investigations.  He has owned and operated his own business for the last 25 years in California, South Dakota, and Iowa.

He also serves as a current Governing Board Member for McAfee Institute, an accredited and certified institute for law enforcement, intelligence, military, and investigative industry. Several appearances on Dakota News and KELOLAND,  TV for industry related interviews regarding local stories in Sioux Falls, South Dakota area.


13 Years Law Enforcement in Southern California and 2 Years South Dakota

  • DRE (Drug Recognition Expert) Training In Sacramento, California
  • Extensive training in the backgrounds of Hispanic & Aryan Street/Prison Gangs, and Motorcycle Gangs-1%er
  • Formal training in interview, interrogation, and surveillance-from Wicklander-Zulawski
  • Certified K-9 Handler  
  • Certified Expert in Cyber Investigations (CECI)
  • Certified Expert in Social Media Intelligence (CSMIE)
  • Certified Human Trafficking Investigator (CHTI)      

6 Years Lead Investigator and Manager in the private sector-Retail Theft & Dishonest Employee Investigations (Southern California)

  • Business and Retail Crime Investigator
    • Retail Loss Prevention
    • Employee Theft
    • Credit Card Fraud
    • Booster and Fence Investigations – ORC (Organized Retail Crime)

25 Years Experience working with many types of investigations in the private sector.

29 Years Working with Real Estate, Mortgage Lending, Appraisal and Title investigations.

South Dakota Notary Public

Licensed South Dakota Real Estate Broker (Inactive)

Licensed California Real Estate Licensee (Inactive)


Certified Expert Cyber Investigations (CECI)

  • Open-Source Intelligence Investigator (OSINT)
  • Detection Of Fake Photos and Videos- “Deep Fakes”
  • Digital Forensics (Cell Phone, Computers, and Automotive “Black Box”)
  • Social Media Investigations-Facebook and Varies Online Dating Sites
  • Online Auction Investigations-Ebay, Amazon, Craigslist, Facebook and more
  • Organized Crime Investigation Dealing With Check, Credit Cards, and Retail Merchandise
  • Investigations of Online Drug and Sex Trafficking,
  • Identity Theft, Online Harassment, and Varies Online Fraud
  • Child Abuse and Online Child Exploitation Investigations
  • Human Trafficking Investigations
  • Cases Involving the Dark Web

Certified Social Media Intelligence Expert (CSMIE)

  • Social Media Intelligence & Investigation Expert
    • Facebook, Twitter, LinkedIn, Instagram, Tumblr, Google + and more
      • Knowledge of How To Search and Monitor Subjects On The Above Platforms
  • Mobile Apps Intelligence & Investigation Expert
    • Facebook and FB Messenger, Twitter, Skype, YouTube, Tik Tok WhatsApp, SnapChat, Instagram, Tumbler,Telegram, and more
    • Popular Dating Sites Such As Tinder, Facebook, X (Twitter), Instagram, TikTok, OkCupid, Zoosk, eharmony, Match, Fetlife, BeNaughty, Adult Friendfinder
      • Knowledge of How To Search and Monitor Subjects On The Above Platforms
  • Knowledge and use of Cryptocurrency
  • Knowledge of Open Source Intelligence
  • Intelligence & Investigation Expert In – How Criminal Groups Use Social Media
    • Organized Crime Rings
      • Sales of Stolen Goods
    • Human Trafficking-CSAM
    • Drug Use and Sales
    • Gangs
  • Cases Involving The Dark Web

Certified Human Trafficking Investigator (CHTI)

  • Board Certified Human Trafficking Investigator (CHTI) designation is awarded to Human Trafficking practitioners who have proven expertise and proficiency in human trafficking investigation management, intelligence gathering, digital evidence collection, interview and interrogation, developing reports and testimony to validate findings. The CHTI is evidence of an expert skill set in Human Trafficking investigations.


Featured news interviews by Dakota News and KELOLAND, TV news stations located in Sioux Falls, SD

Governing Board Member – McAfee Institute | Law Enforcement, Military, Government, and National Accreditations 

NAPPS (National Association of Professional Process Servers) Member and Approved Provider