Use 3D laser scanning technology for forensics and investigations

Crime scene reconstruction can be a time-consuming and labour-intensive process, requiring detailed attention at every stage, as each step is vital in solving a case. To meet the demand for highly accurate and detailed visualisations, law enforcement agencies, crime investigators, and reconstruction firms have adopted 3D laser scanning technology. This advanced method captures precise measurements and creates feature-rich digital models, making crime scene recreation quicker, more efficient, and more reliable.

3D laser scanning service has gained rapid acceptance in various industries including law enforcement and crime scene investigations. While the technology has been around for years, it was only until recently that law enforcement recognised the benefits of laser scanning for investigation. However, the cost of a 3d laser scanning survey is a major detractor, making it difficult for many CSI units in third-world countries to utilise 3D laser scanning technology. Is 3D laser scanning for investigation worth investing in? Below are the top 5 benefits of laser scanning for crime investigation.

Comprehensive data collection is vital for any crime investigation, yet traditional methods can take hours to gather the necessary information. In contrast, 3D laser scanning requires only a few minutes to recreate a virtual scene, capturing all crucial evidence without missing vital details.

Additionally, the completed colour scans can be revisited at any time without the need for a physical return to the site, making the process both time- and cost-efficient. Compared to manual measurements and traditional techniques, the results of the investigation are far more thorough and accurate.

More than ever, LiDAR scanners are being adopted by law enforcement, a sector increasingly using reality capture technology to streamline and improve forensic investigations, especially for complex crime scenes.

3D laser scanning technology is also highly valuable in firearm-related investigations. It enables precise analysis of blood spatter patterns and the trajectory of projectiles, measured directly within the 3D point cloud data.

Investigators gain an accurate representation of key elements of the scene, such as:

With a 3D laser scanning survey, it becomes quicker and easier for investigators to gather detailed, reliable evidence that stands up in court.

Data and evidence can be collected as far as over 300 metres away, so investigators can map the entire crime scene out of harm’s way. The technology used by 3d laser scanning survey equipment has the capability to gather data from a distance, meaning shielding law enforcement and investigators from potential risks and dangerous situations.

It also helps in reducing the possibility of contaminating evidence because travelling to the actual scene is not necessary.

In addition, a laser scanner can capture a million points per second with an average scan time only lasting for several minutes. Less time spent on a crime scene means reduced time for individuals working which allows investigators to have eyes on the virtual environment.

3D point clouds can be stored and archived for future reference. All the gathered data from the crime scene can be preserved and can be accessed by anyone who is part of the investigation team whenever necessary.

Imagery and 3D point clouds are frozen in time allowing jurors to immerse in the virtual scene to have a better understanding of the facts surrounding the crime.

Lastly, necessary measurements that were not thought to be useful in the investigation can be revisited anytime as it was.