Billy Cales: Expert Witness in Police Procedures & Security
25 Years+
Security Expert Witness
Billy Cales is a veteran law enforcement professional with over 20 years of experience in urban policing and public safety. He served in specialized Chicago Police Department units including Violent Crime Suppression, K9 Narcotics, and Mounted Patrol, providing insights on law enforcement.
Billy Cales offers expert analysis in security and law enforcement litigation, focusing on police procedures, use of force, and tactical operations. He reviews incident reports and officer conduct, delivering evaluations based on extensive field experience and training.
Billy Cales evaluates police responses, security measures, and crowd control, assisting in cases involving law enforcement actions, security incidents, and public safety with expertise from Chicago Police Department specialized units and Marine Corps service.
Professional Expert Witnesses
with Real World Experience
Our insight into real-world conditions empowers attorneys to define duty of care, prove breach, and support damages.
“Our expert witness services specialize in liquor liability and dram shop compliance. We assess venue operations, evaluate security protocols, and deliver expert analysis that supports litigation. From incident prevention to courtroom testimony, we help legal teams reduce risk and strengthen their case.”
Dram Shop Expert
“With over 35 years in the hospitality industry, Ryan Dahlstrom provides expert insights into bar operations, liquor liability, and security protocols. His courtroom-ready evaluations help attorneys and insurers understand risk, enforce compliance, and build stronger dram shop litigation strategies”.
Expert Witness
“With over 30 years of experience, including service in the U.S. Secret Service, Bill Cousins provides expert assessments of protective operations, security failures, and risk protocols—delivering courtroom-ready evaluations that support legal teams in threat-related litigation.”
Former Secret Service
“With over 25 years of experience, Christian Sprenkle specializes in evaluating construction defects, project management, and building code compliance.His expert analyses support legal teams in cases involving structural failures, contract disputes, and construction negligence.”
Construction Expert
