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About Us



SCS International Investigations is a small but effective private investigation firm.  Don't let our size lead you to believe your job is too big or complicated.  We have a network of reliable and trustworthy associates around the world.  Our partners are retired law enforcement and military investigators with a wealth of experience in many theaters of operation.  We are ready to provide quality, professional investigative services for any individual, attorney, or organization.


SCS International Investigations is a California based Licensed Private Investigations Firm, License # PI 23874 based out of Los Angeles and Orange Counties, with professional contacts in Southeast Asia and Pacific Rim Countries.


SCS International Investigation Partners

Greg Smith, Retired Police Lieutenant with 31 years Municipal Law Enforcement Experience, 4 years United States Air Force military police investigative experience, and 10 years as a private investigator.

Yvette Cesario-Smith, Retired Police Detective with 9 years municipal law enforcement experience and 10 years as a private investigator.

Mark A. Smith, Retired United States Army Special Forces Major, with 22 years of military investigative experience, and 23 years as a private investigator and military consultant.

Michael Conzachi, Retired Police Homicide and Major Narcotics Detective and supervisor with 28 years municipal law enforcement experience, a 6 year United States Army veteran (NCO) with the 82nd Airborne Division, and 7 years as a private investigator.


Our partners have over 150 years of combined experience and we also sub-contract a cadre of experienced investigators when necessary and on a case by case basis.