
Expert Witness
Negligent Hospital Security
Negligent Security
Premises Liability
Police Standards/Procedures
Workplace Violence
A security and law enforcement expert witness is a professional with specialized knowledge, skills, or expertise in particular fields who is called upon to provide testimony in a legal proceeding. Their role is to assist the court or jury in understanding complex technical or specialized issues relevant to the case. Overall, an expert witness plays a critical role in helping the court or jury understand complex issues, evaluating evidence, and reaching informed decisions in legal proceedings. Their testimony can significantly impact a case's outcome, making it essential to choose qualified, credible experts with relevant expertise.
Expert Witness and Case Review
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My name is Mark J. Lang, MCJ, CPP, CHPA, the owner of Investigations HQ, LLC. I have a career that spans several decades, with extensive experience in law enforcement, security, and premises liability. I am committed to delivering impeccable results and maintaining the highest ethical standards in every endeavor.
With a case retainer, I will review records and materials, participate in as many case consultations as needed, and provide a written draft report. For an additional fee, I will provide an expert-written opinion, deposition, and trial testimony if required.
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