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Delaware Valley
Investigative Solutions

Investigative Services for Attorneys, Municipal
Governments, Businesses, and Private Individuals



Mike Mosiniak, owner and operator of Delaware Valley Investigative Solutions, has been a law enforcement professional since 1985. He specialized in criminal investigations for most of his over 37-year career, including Homicide investigations and other major crimes. Mike retired as the Deputy Chief of the Bucks County District Attorney’s Office, County Detectives Unit. He is a graduate of the Northwestern University School of Police Staff and Command, Class #426, and the FBI LEEDA Trilogy. He is also an ACFE Certified Fraud Examiner. Mike is an active-duty veteran of the United States Air Force and served as a Law Enforcement Specialist. He is a graduate of Neumann University with a BS in Public Safety Administration.


Mike's Professional Affiliations Include: 

  • Police Chiefs Association of Bucks County 

  • Delaware Valley Association of Police Professionals  

  • International Homicide Investigators Association  

  • Pennsylvania Narcotics Officers Association

  • Association of Certified Fraud Examiners

Serving all Pennsylvania municipalities including Bucks, Montgomery, Philadelphia, and the surrounding areas  

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  • Employee Background Assessment and Screening  

  • Law Enforcement Applicant Screening  

  • Criminal Defense Investigations

  • Personal Injury Investigations

  • Investigate and Verify Alibi, Previous Statements, Testimony

  • Search For and Recover Video  

  • Scene Photography and Video

  • Search for Witnesses  

  • Background Checks/Locates 

  • Interviews/Recorded Statements  

  • Missing Persons Investigations  

  • Process Server/Courier Services 

  • Computer/Cell Phone Forensics  

  • Investigative Training  

  • Forensic Video and Surveillance Services  

  • Polygraph Services 



To schedule your FREE consultation or to contact Mike with questions, please use the form below:

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