Troy
Troy Crime Scene Expert
Crime Scene Review | Bloodstain Pattern Analysis | Shooting Incident Reconstruction | Crime Scene Training
- 25+ Years of Field Experience: Former Crime Scene Investigator for Kent County Sheriff’s Department (1994–2019), with over 3,000 crime scenes investigated.
- Courtroom-Ready Expertise: Skilled in preparing photographic lineups, demonstrative evidence, and expert materials tailored for legal proceedings.
Trusted Consultant & Witness: Available for expert consultation, case review, and testimony in forensic evidence and crime scene reconstruction.
Get In Touch With Troy's Crime Scene Expert
Our Special Services
Crime Scene Expert Partners In Troy
Prosecutors
Our services can help prosecutors put together the critical pieces of a case.
Defense Lawyers
Our crime scene expert services help attorneys put together a viable defense.
Investigators
We can help crime scene investigators with complex cases.
Police Departments
We can help police departments bring their investigators up to speed.
Troy Expert Crime Scene Services In Depth
Crime Scene Analysis & Review
Working with a crime scene analysis and review expert provides comprehensive insight into the events surrounding a crime, ensuring no detail is overlooked. These professionals evaluate physical evidence, scene layout, and documentation to reconstruct what likely occurred before, during, and after the incident. Their objective analysis can reveal inconsistencies in reports, identify overlooked evidence, and help determine the plausibility of witness or suspect statements. By reviewing photographs, sketches, and reports, they may detect errors in how a scene was processed or interpreted, which can be critical for legal proceedings. Whether supporting prosecution or defense, a crime scene analyst brings clarity to complex cases and strengthens arguments with scientific reasoning. Their testimony often plays a pivotal role in court, offering jurors a clearer understanding of the facts. Overall, engaging a crime scene expert improves the integrity of the investigation and enhances the pursuit of truth and justice.
Bloodstain Pattern Analysis
Working with a bloodstain pattern expert offers crucial insights that can significantly influence the outcome of a criminal investigation or court case. These specialists are trained to analyze the shape, size, distribution, and location of bloodstains to reconstruct the events that led to a crime. Their findings can help determine the position of individuals, the type of weapon used, the sequence of events, and whether a scene was staged. This level of detail provides clarity for investigators, supports or refutes witness testimony, and can strengthen legal arguments in both prosecution and defense cases. Bloodstain pattern experts often serve as expert witnesses, presenting objective, scientifically grounded evidence to the court. Their expertise ensures that evidence is properly interpreted, reducing the risk of wrongful conclusions. Overall, partnering with a qualified bloodstain pattern analyst enhances the accuracy, reliability, and credibility of forensic investigations and courtroom proceedings.
Shooting Incident Reconstruction
Working with a shooting incident reconstruction expert provides critical clarity in firearm-related cases by scientifically analyzing the events surrounding a discharge. These specialists examine bullet trajectories, cartridge casings, gunshot residues, and impact points to determine shooter positions, number of shots fired, and the sequence of events. Their analysis can confirm or challenge witness accounts, helping attorneys build a more accurate and defensible narrative. Shooting reconstruction experts also evaluate firearm functionality, potential malfunctions, and distance estimations based on wound patterns or residue distribution. In both criminal and civil cases, their findings are often pivotal in identifying whether a shooting was accidental, justified, or intentional. Their detailed reports and courtroom testimony translate complex ballistic data into clear, compelling evidence for judges and juries. Ultimately, their work ensures that firearm incidents are interpreted through a scientific lens, reducing speculation and enhancing the fairness and accuracy of investigative and legal outcomes.
Crime Scene Training
Working with a crime scene training expert ensures that law enforcement personnel, attorneys, and investigators are equipped with the skills and knowledge needed to properly process and evaluate evidence. These professionals offer hands-on instruction in scene preservation, evidence collection, documentation techniques, and the use of forensic tools. Proper training reduces the risk of evidence contamination or misinterpretation and helps ensure that investigative procedures meet legal standards. Crime scene training experts often tailor their programs to the needs of specific agencies or teams, improving both efficiency and accuracy in the field. Their guidance reinforces best practices and helps professionals stay up to date with evolving forensic technologies and methodologies. Whether for new recruits or seasoned personnel, crime scene training enhances the overall quality of investigations, strengthens courtroom testimony, and promotes justice by maintaining the integrity of the evidence from collection to trial.
Jeffrey S. Gregus Consulting, LLC
Michigan's Trusted Crime Scene Expert
- B.S. in Forensic Science From MSU in 1993.
- 25-Year Career With Kent County Sheriff’s Department as a Crime Scene Investigator.
- 3000+ Crime Scenes Investigated

