Gentillalli & Associates

​California Private Investigator License PI 14248

a Criminal Investigation & Intelligence Agency

 MARILYN MONROE MURDER INVESTIGATION IS ONE OF OUR PRIMARY CASES OF INT​EREST



We'll help you find your way.

When you experience an incident, everything can change – we know that at Gentillalli & Associates. With more than three decades of combined experience  in investigating on our clients' behalf, you can focus on recovering, instead of finding yourself overwhelmed and worried about your immediate well being and safety.


Gentillalli & Associates opened in May of 1990 as a California Licensed Private Investigation Company. We have been in business for over 25 years.

Our private investigator & intelligence agency (CA PI 14248) will provide expert analysis of complex cases and convey a simple detailed synopsis for most any investigative need. We offer personal consultation or we can direct you to a source that will fulfill your needs for arson investigation, murder investigation, cold case investigations,  undercover and/or covert operations, surveillance, locating missing persons, personal protection related to an investigation, cheating spouse investigation, and trauma scene cleanup.

With over 25 years of experience as Private Investigators, we are trained in compliance with peace officer standards and training, CA P.O.S.T.; including service as a County Peace officer, State criminal and administrative investigator and  federal criminal investigator. With training in surveillance (sub-rosa) since 1986, we have attained a level of expertise that exceeds most governmental agencies.

Our organizational level of education includes a Master of Education in Instructional Technology; BA in applied criminology, certification in applied forensic science (CSUF,) paralegal certification (USC,) certified in homeland security (ABCHS,) certified medical investigator (ACFEI,) profiling (CSUF,) a certified clinical hypnotherapist (ABH,) pastoral counseling, business administration and a Th.D. candidate.

We have a very diverse background with military, law enforcement , state and federal investigation as well as contract civilian experience to better serve and protect you. In addition, we have CCW permits in numerous states and also licensed to carry a firearm in the State of California.  Pick your agency and investigator as if your life depends on it..."omnia praesumuntur legitime facta donec probetur in contrarium."