CDI 101 – The Component Method of Criminal Defense Investigation – This course presents the Component Method of Criminal Defense Investigation in a comprehensive format designed to address the training needs of new or experienced investigators.  The basic philosophy of criminal defense investigation and theory of investigative critical thinking are examined, as is the concept of reasonable doubt.  The Component Method of Criminal Defense Investigation is the central focus of the course, which emphasizes practical application of the investigative techniques and theories discussed.

  • TEXT: Uncovering Reasonable Doubt, Perron (Morris Publishers, N.J.) 1998
  • The course can be presented in a two (2) to four (4) hour format, an eight (8) to twelve (12) hour format, or a forty (40) hour academy level format.
  • Also available as an on-line course.


CDI 202 – Advanced Interviewing for the Criminal Defense Investigator – This course builds upon and enhances theories and concepts of investigative interviewing covered in the introductory Component Method training.  Investigative interviewing, as distinct from interrogation and/or talk therapy, is discussed as it relates to the process of criminal defense.  Practical issues, such as the significance of sworn statements and witness interviewing strategies, are covered, as are the purpose and theory behind Kinesic interviewing, cognitive interviewing, standard law enforcement interviews, and the visual imagery techniques.  The theory of Forensic Testimonial Evidence Recovery is introduced to the seasoned investigator.  Other practical and theoretical issues relevant to the role of the criminal defense investigator are also addressed.  The significance of interviewing to obtain “testimonial evidence”  from a forensic perspective is emphasized.

  • TEXT:  To be announced.
  • Can be presented in a two (2) to four (4) hour or eight (8) to twelve (12) hour formats.


CDI 203 – Ethics and Critical Thinking for Criminal Defense Investigation – This course examines the scope and nature of professional ethics in criminal defense investigation and illustrates the role of critical and creative thinking as the investigator’s most important professional skill.  Analytical, philosophical, and psychological theories will be discussed as they apply to practical investigative tasks.  A scenario based learning format will be used to raise ethical issues for discussion and to provide a context for interactive investigative case analysis. 

  • TEXT:  Critical and Ethical Foundations of Criminal Defense Investigation, Grego, R.
  • Can be conducted in two (2) to four (4) hour or eight (8) hour formats.


CDI 204 – Forensic Applications – In this course basic applications of criminal forensic science are examined as they apply to criminal defense investigation.  The investigator’s ability to utilize forensic experts as investigative tools is emphasized.  Topics include: how to critique a crime scene, documentation/photography, blood detection/spatter interpretation, true evidence, gun shot, prints, and DNA. 

  • TEXT: Injury and Death Investigations
  • Can be presented in two (2) to four (4) hour or eight (8) hour formats.


CDI 205-210 – Special Topics

CDI 205 – Homicide Investigation – In this program, you will learn about a variety of homicides committed in America.  This seminar will provide thought provoking analysis of the different types of murders including mass murder, gang related homicide, terrorist acts, drug related deaths, and domestic violence homicide.  In this three-hour seminar, you will learn defense investigation techniques and methods of uncovering reasonable doubt in a homicide investigation.  You will evaluate a variety of homicides in an analytical format, which will enhance your development as a criminal defense investigator.

CDI 207 – Testifying: Direct and Cross Examination Practicum – This course discusses the essential knowledge and skills required in order to effectively present investigative data and analysis in court.  Participants will receive scenario-based training in courtroom demeanor and testimony.


The Public Defender Intern Investigator Training Program – The Public Defender Intern Investigator Training Program is provided to Public Defender agencies that wish to either augment or restructure their investigative staff.  The program enables an office to train, supervise, and maintain an investigative contingent of interns capable of intake, processing, interviewing clients, and conducting investigations.  This program has been successfully implemented by the 19th Judicial Circuit office of the Florida Public Defender.  It entails a comprehensive process whereby lead investigators or training coordinators and/or staff are trained in the Component Method of criminal defense investigation for the purpose of training and supervising intern investigators.  The office is also provided forms and guidelines regarding how to successfully utilize and maintain an intern program.  Follow up training and consulting is also provided.  This program has been an invaluable resource for the 19th Judicial Circuit Office of the Public Defender since 1994, saving the agency thousands of dollars yearly and providing hundreds of investigative hours free of charge.

 The 150 hour training program consists of academy level instruction presented by Board Certified Criminal Defense Investigators.  The program of study generally runs a course of three months but can be customized to suit the needs of each individual agency.  Upon successful completion of the program, intern investigators receive a training certificate documenting the valuable training and experience obtained while enrolled in the program.  Field and Academic Commendations are presented to deserving students as well as the presentation of the “Sleuth Award” to the student who distinguishes themselves among their peers. 

  • Tuition Free.  Textbook fee of $ 30.00



Brandon A. Perron, CCDI, FCI – Brandon A. Perron founded Investigative Support Specialist, Inc. in 1989 following meritorious service as a Criminal Investigator with the United States Air Force and as a Florida Public Defender Investigator.  In 1998 he was named one of the “Top Ten Private Investigation leaders in the United States”, by P.I. Magazine and has been qualified by the courts as an “expert in criminal investigation”.  Mr. Perron earned the designation as a Board Certified Criminal Defense Investigator and a Florida Certified Investigator and is recognized nationally as a leader in his field.  He has successfully investigated thousands of complex criminal cases, including hundreds of homicides and sexual battery cases.  Mr. Perron is the author of Uncovering Reasonable Doubt: The Component Method – Comprehensive Guide for the Criminal Defense Investigator, an industry guide for conducting criminal defense investigations.  Mr. Perron and his staff have assisted some of the nation’s finest trial lawyers in clearing over 300 defendants falsely accused of a crime and countless cases resulting in reduced charges and attractive plea bargains.  He continues to lecture and train government and private sector investigators across the country as the National Director of the Criminal Defense Investigation Training Council and the training director for the Florida 19th Judicial Circuit Public Defender.  Mr. Perron founded and developed the Criminal Defense Investigation Training Council, which was spawned from the program he developed for the Florida Public Defender System.  He is also the developer and instructor for the Investigative Studies Program at the Criminal Justice Training Institute, Indian River Community College in Fort Pierce, Florida.  Mr. Perron is also an active member of the National Defender Investigator Association, The National Association of Legal Investigators, and the Florida Association of Licensed Investigators.

 Dr. Richard F. Grego, CCDI, CPE – Dr. Richard F. Grego is a Board Certified Criminal Defense Investigator and holds a M.A. degree in history and a doctorate in philosophy from the State University of New York.  He is also the Academic Director for the Criminal Defense Investigation Training Council.  Dr. Grego’s study of philosophy as it relates to the concept of truth is demonstrated in his capacity as a Certified Polygraph Examiner and graduate of The International Academy of Polygraph.  Dr. Grego has taught critical thinking, philosophy, and history at the State University of New York, Castleton State College in Vermont, and Indian River Community College, where he is currently a member of the faculty.  He has investigative experience as a Florida Public Defender Investigator, Florida State Department of Probation and Parole Investigative Specialist, and as a Private Investigator in New York, Boston, and Florida where he currently maintains licensing.  Dr. Grego’s philosophical approach to the discipline of criminal defense investigation has revolutionized the professional perspective of the investigative process.

Bradley A. Perron, CCDI, FCI – Bradley A. Perron is a Board Certified Criminal Defense Investigator and a Florida Certified Investigator.  He has been qualified by the courts as an “expert in the discipline of bloodstain pattern analysis and blood detection”.  Mr. Perron holds a Bachelor of Science degree in biological science and a minor in mathematics from Roger Williams College in Rhode Island.  Mr. Perron is also a graduate of numerous specialized training programs including Significance of Bloodstain Evidence, Detecting Blood at the Crime Scene, The Investigation of Death, and several other forensic technology programs.  He is a member of the International Association of Identification, one of the oldest and most respected associations committed to the science of forensic identification.  Mr. Perron is a member of the faculty at Indian River Community College and a member of the Criminal Defense Investigation Training Council Executive Council.  He is also a member of Mensa – The High IQ Society and demonstrates his intellectual acuity on a variety of assignments presenting difficult questions.