Interrogation and Interviewing Consultants: 2

Aragon National, Inc.'s consulting extends to complex decision-making processes within Law Enforcement and Military Operations, and Health Analytics, and related Social Determinates (systems approach/ complexity / wicked problem approach). Aragon explores the link between visualizing intelligence, giving it meaning (sensemaking), critical thinking, insight generation, and decision-making.

Areas of Expertise:

Systems Thinking Sensemaking Complexity / Wicked Problems Big Data (visualization to insight) Intelligence

Data Driven Decision Making Socio-cultural Intelligence / Information Modeling Physical UoF Events Human Performance Video Analysis

Dr. John R. Black, President, has over 30 years of experience including International Humanitarian Assistance and Disaster Relief (HA/DR), DoD Joint Technology Research Evaluation and Development, and the extraction of practical insight from Intelligence in support of Strategic Decision-making. He regularly speaks to police leadership, investigators, lawyers, and organizations about the process of inquiry, biases, and sensemaking.

Dr. Black (ret) has over 23 years of experience in law enforcement operations, including patrol, corrections, investigations, training, and command, combined with over 30 years with U.S. Army Special Operations and Peacekeeping (Special Forces, Civil Affairs, and Psychological Operations.

View Dr. John R. Black's Expert Witness Profile.

ConsulTex and Associates is a Houston based security consulting company that provides security strategies for individual clients, law enforcement, and corporate security clients. ConsulTex is available nationwide to answer questions regarding security measures, or offer solutions that fit their clients' needs.

Services Include:

• Expert Witness Analysis
• Use of Force
• Police Procedure and Practice
• Security Tactics and Policies
• Training and Speaking Engagements

Principal, Roger W. Chappell, has over 25 years of experience in the Law Enforcement and Security industry. A 9 year Marine Corp Veteran, he is also a former corporate security manager, police crime prevention specialist, detective supervisor, police training manager, and internal affairs sergeant.

As Security Management Professional, his background includes an advanced 22-year law enforcement career with the highly regarded Houston Police Department. He received over 40 awards in that capacity, including supervisory and civilian commendations.

Mr. Chappell has more than 20 years of training and “hands on” experience evaluating, developing, and managing security and crime prevention programs. He coordinated numerous security related functions at hotels, bars and night clubs, and apartments. Mr. Chappell has handled large events during the Super Bowl, MLB All Stars, and NCAA Final Four events. He was also a hostage negotiator for over 12 years responsible for the safe resolution to highly stressful and violent events.

Roger Chappell has served as both a private sector security consultant and a public sector Master Peace Officer. He has earned a stellar reputation as an expert in hostage negotiation and received the prestigious Hostage Negotiator of the Year award in 2013.

View Roger Chappell's Expert Witness Profile.