Step-by-Step Guide to Clean Any Crime Scene

05/07/2025 By Culum Retallick

Think about walking into a space where a tragedy has occurred. The atmosphere is heavy, the emotions are high, and the room has a story to tell that most would rather not hear. Crime scene cleaning is not just a mop-and-bucket operation; the goal is to return the environment back to a state of safety, dignity, and peace of mind.

There is always a family affected, a community shaken, or individuals healing behind every cleanup. Professional crime scene cleaners clean hazardous materials such as blood and bodily fluids from all types of surfaces, but they also provide something else equally as important: compassion.

We’ll take you step by step along the process of how crime scenes are cleaned up and why it is important to trust a trained professional to handle information that is very sensitive.

Step 1: On-Site Risk Assessment and Safety Setup

The first step that professional cleaners take in any crime scene cleanup job is to assess the place. Technicians arrive suited up and trained to find visible and hidden biohazards (such as blood, bodily fluids, tissue, and contaminated objects).

Experts measure the organic contamination of surfaces with ATP (adenosine triphosphate) testing. Technicians can then review the received results and follow the trail of how far the contamination may have moved.

Our experts believe safety should never be compromised when cleaning. Personal protective equipment (PPE), including gloves, masks, hazmat suits, and eye protection, is used throughout the cleaning process. Each crime scene is different, whether it is an unattended death cleanup, violent scene cleanup, or traumatic accident cleanup.

Every situation will dictate the necessary safety precautions for structural assessment, HVAC, or enclosed spaces before using a cleaning solvent to encounter the biohazards.

Step 2: Scene Containment and Hazard Isolation

Once our professionals are done with the assessment, they configure controlled zones around infiltration areas for containment purposes. Without effective containment methods, cross-contamination may occur, compromising the isolation zone needed for decontamination and creating safety hazards.

Containment can involve blocking off rooms with plastic sheeting, deploying air scrubbers or HEPA scrubbers, and creating routes for technicians to enter and exit premises.

We understand in these circumstances confidentiality is an important value. Barriers are arranged discreetly in a non-obtrusive fashion so as to make sure the privacy of the occupants, as well as bystanders, can be respected in the work activity. If airborne contaminants are at risk of exposure, HEPA filtration may be employed if necessary.

This allows our cleaning process to stay organised, the overall scene to remain disrupted and in a state of isolation, and for technicians to safely and ably proceed with the decontamination sequencing.

Step 3: Biohazard Removal and Surface Decontamination

Once we establish containment, the process of physical cleansing begins. This includes bio-contaminated items such as furniture, flooring, bedding, and other porous surfaces that cannot be decontaminated. These contaminated materials are either decontaminated in accordance with health regulations or disposed of.

The materials to be cleaned can use professional-grade disinfectants, such as those used in hospitals and for forensic cleaning. Fogging machines may be used to clean airborne pathogens along with the hard-to-reach areas. The disinfection will also take care of the walls, ceilings, ceiling fans, light fixtures, and all other possible touchpoints.

What makes professional cleaning different is that we also look at properly managing and disposing of biohazardous waste. This includes all materials that have been removed from the site being disposed of in a sealed biohazard container that will be taken to an approved biohazard waste disposal site.

This stage of the cleansing process is not reserved just for crime scene investigations but combines trauma clean-ups, decomposition events, infectious disease, and more.

Step 4: Sanitisation, Restoration, and Clearance Reporting

After contaminants are disposed of, the area goes through sanitising and deodorising. We use high-end to reduce any further lingering odours from blood, decay, or chemicals. After sanitisation, we perform swab tests on high-contact surfaces to ensure clean bills of health.

There is a possibility areas may need minor restorations, including painting, the subfloor needing repair, or wall treatments. In more severe cases, entire structural sections may need replacement. This will be based on what the crime scene means and how long it was allowed to remain a crime scene.

After the sanitisation, we do the final inspection. Experts will document the sanitisation, create an inventory of what was removed, provide clearances, and, where necessary, write reports if there are going to be insurance claims involved or law enforcement partnerships.

Conclusion

Cleaning up after a crime scene isn’t something anyone should face alone. The risks of infection, emotional distress, and legal issues make professional intervention essential. Certified technicians approach every situation with care, discretion, and full compliance with health regulations. With 24/7 availability and nationwide support, help is always close at hand when you need it most.

Specialised Cleaning Solutions at a Glance

At Specialised Cleaning Solutions, we specialize in providing top-tier cleaning services for a wide range of challenging scenarios. Whether it’s crime scene cleaning, meth decontamination, or mould removal, our trained and certified technicians approach each job with professionalism and care.

We understand the emotional toll these situations can take and offer tailored solutions to ensure a compassionate, efficient, and discreet service. Our commitment to the highest standards of cleaning ensures your property is restored safely and thoroughly, every time.

Comprehensive Cleaning Services

From crime scene cleaning to meth decontamination, we tackle a variety of challenging cleaning scenarios with expertise.

Trained & Certified Technicians

Our team undergoes rigorous training to ensure the highest level of professionalism and safety in every task.

Tailored & Compassionate Approach

We understand the emotional impact of specialised cleaning situations and offer empathetic, tailored solutions to meet your unique needs.

Our Partners and Contractors

Trusted by thousand of people & companies.

M. Williams

Specialised Cleaning Solutions has been our go-to provider for meth decontamination services. Culum and his team are professional, thorough, and incredibly understanding of the sensitive nature of our situation. They always ensure the job is done efficiently and with the utmost discretion. We highly recommend their services for anyone in need of specialised cleaning.

J. Bennett

When we needed expert cleaning for a property affected by mould, Specialised Cleaning Solutions delivered exceptional service. Their team was knowledgeable, friendly, and fast, helping us restore the property to a safe condition. I wouldn’t hesitate to recommend them for any specialised cleaning needs.

R Hayden

We have been using the services of SCS over the last 12 months for crime scene cleaning. We only have praise for the commitment of Culum and his team in providing an effective way to mitigate the cleaning issues we are facing. The team go over and above their duty to ensure we get the property back ASAP by providing a speedy quote, removing all contaminated goods and issuing the clearance certificate after the final clean. We can highly recommend their services.

L. Thompson

We’ve had the pleasure of working with Specialised Cleaning Solutions for a variety of projects, including trauma scene remediation. The team’s attention to detail and commitment to confidentiality have been invaluable. Their professionalism and quick response times have helped us navigate difficult situations with ease.

K. Grant

I’ve worked with Specialised Cleaning Solutions on multiple occasions for biological clean-ups, and I’m always impressed with the level of care they take. They’re highly trained professionals who manage even the most challenging situations with great efficiency and discretion. Their service is second to none.

S. Carter

We’ve trusted Specialised Cleaning Solutions for various services, including property remediation and trauma scene clean-up. Their team is professional, responsive, and meticulous. The work they do is exceptional, and we always feel confident knowing they’re handling these sensitive situations for us.

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Frequently
Asked Questions

We understand that specialised cleaning often requires immediate attention. Our team is available for emergency cleaning services throughout New Zealand, and we respond quickly to ensure your needs are addressed as soon as possible.

Yes, we prioritise discretion and confidentiality in all of our services. We understand the sensitive nature of many of our tasks, such as crime scene and trauma cleaning, and we handle every job with the utmost professionalism and respect for your privacy.

Yes, Specialised Cleaning Solutions offers nationwide coverage. We provide our specialised cleaning services across New Zealand, ensuring timely and professional assistance, no matter where you are located.

Absolutely! Our team consists of highly trained professionals with extensive experience in handling specialised cleaning tasks. We ensure our staff undergoes rigorous training to provide safe, efficient, and thorough cleaning services.

To get a free, no-obligation quote, you can contact us directly via our website or call us. Our team will assess your needs and provide a detailed quote based on the scope of the work required.

Safety is a top priority for us. We adhere to strict safety protocols and guidelines to ensure both our team and your property remain safe throughout the cleaning process. We use industry-standard protective equipment and follow all necessary procedures for hazardous clean-ups.

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