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Providing Investigative Services for State and Federal Cases-Member of Iowa Association of Private Investigators

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    Private Investigation & Executive Protection Services in Iowa-Licensed & Bonded    


Jonathan M. Stewart, Former- Deputy U. S. Marshal Criminal Investigator (Retired).           Major U.S. Army Reserve (Retired)

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Private investigations-Specializing in both State and Federal Criminal Defense/Executive Protection/Background Checks/Service of process/General Investigative case work

JSQ Investigations LLC. conducts private investigations for law firms and private clients in Des Moines, Central Iowa.  We specialize in investigating both State and Federal Criminal cases, Personal Injury, Background Checks, Asset Location, witness interviews, Surviellance and other General Investigative work.

Our client’s confidentiality is always our top-most priority. We guarantee you excellent accurate investigative and protection services provided by skilled and experienced investigator. Contact us for references should the need arise.

What our firm can provide for you and your clients.

"A private investigator is your opportunity to examine other facts or information that may be relevant to your side of the story"

"Clients involved in the legal system don't always have the ability on there own to investigate other facts in the case,  it is not Law Enforcement's job to  provide you with all  the information in a particular case." 

Jonathan is a 28-year retired Criminal Investigator/ Deputy U. S. Marshal with the Department of Justice. He started the firm to provide a service to law firms and others as a tool to help their clients.  Jonathan saw a need for someone who spent almost 30 years in Federal Courtrooms -Trials, Motion Hearings, Grand Jury's, Arraignments. Detention Hearings (Bond Hearings), who could relate to Attorneys and their clients because he understood the process.

Jonathan also understands the investigative process, as Criminal Investigator Deputy U. S. Marshal (RET), Jon has conducted numerous investigations, arrests, interviews and testified in various court proceedings.  Jon brings his Law Enforcement background and experience to help his clients receive all the relevant facts in the case at hand, whether it be state or federal. 

Since the start of JSQ Investigations/Security Consultant, LLC Jonathan has investigated a wide variety of cases, both State and Federal on behalf of several of the top law firms in central Iowa.   Jonathan has testified in State and Federal Court proceedings. JSQ Investigations, LLC has also provided a variety of investigative services to business and private individuals.  References Provided upon request.

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About Our Firm