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What Happens During a Crime Scene Cleanup?

Last updated October 26, 2026

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The short answer

Initial Assessment and Safety

The pros begin by assessing the scene to understand the full scope of contamination. They identify all affected surfaces, including porous materials like carpet, drywall, and upholstery that may need removal. This step helps them plan the cleanup and determine what can be cleaned versus what must be discarded.

Safety is the top priority. The pros wear personal protective equipment, including gloves, masks, and sometimes full-body suits, to prevent exposure to bloodborne pathogens. They also set up containment barriers to keep contaminants from spreading to unaffected parts of your home. You should stay out of the area until the pros say it is safe to re-enter.

  • Blood and bodily fluids are hazardous
  • Proper protective gear is essential
  • Containment prevents cross-contamination
  • Porous materials may need removal

Removal of Contaminated Materials

The next step is removing anything that cannot be safely cleaned. This includes blood-soaked carpets, padding, drywall, insulation, and sometimes flooring or subflooring. The pros carefully cut away affected sections, bag them in biohazard containers, and dispose of them according to local regulations. This step is necessary because porous materials can harbor pathogens even after cleaning.

You may need to replace these materials after the cleanup is complete. The pros can tell you what was removed, so you know what to expect. If the damage is extensive, you might need a contractor to rebuild walls or floors. The goal is to remove all traces of contamination, not just visible stains.

  • Carpet and padding often removed
  • Drywall cut out below contamination line
  • Biohazard bags used for disposal
  • Subflooring may require replacement

Cleaning and Disinfection

After removal, the pros clean all remaining surfaces with specialized detergents and disinfectants. They scrub walls, floors, and fixtures to eliminate any biological residue. This is not a routine cleaning; it involves hospital-grade products designed to kill bacteria and viruses. The pros use techniques like wiping, scrubbing, and sometimes fogging to reach every surface.

Disinfection is a separate step from cleaning. Cleaning removes dirt and organic matter, while disinfection kills pathogens. The pros apply disinfectants and allow them to sit for the required contact time to be effective. They may repeat this process on heavily contaminated areas to ensure thoroughness.

  • Hospital-grade disinfectants used
  • All surfaces wiped and scrubbed
  • Contact time allows full effectiveness
  • Heavily soiled areas get extra passes

Deodorizing and Final Inspection

Crime scenes often leave behind strong odors from decomposition or bodily fluids. The pros use deodorizing agents to neutralize these smells, not just mask them. They may use ozone machines, thermal fogging, or specialized odor-eliminating sprays. This step is important for making the space livable again.

Once the cleaning and deodorizing are done, the pros conduct a final inspection. They check for any missed spots, verify that all biohazard waste is properly sealed, and confirm the area is safe. They may use UV lights to detect traces of blood that are invisible to the naked eye. You should ask for a walkthrough to see the finished work.

What You Should Do Next

After the pros finish, you may need to arrange for repairs or replacements of removed materials. Contact your insurance company to discuss what your policy covers. Policies vary, and your insurer decides what is covered. Keep receipts and documentation for any expenses related to the cleanup.

If you live in Cincinnati, keep a list of local contractors who can handle rebuilding. You should also consider having the air quality tested, especially if the cleanup involved significant contamination. A mold professional can assess for any lingering issues. Take your time to make sure the area is fully restored before moving back in.

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Frequently asked questions

Is crime scene cleanup safe for my family?

Yes, when done properly. The pros contain the area and use protective gear to prevent cross-contamination. After cleanup, they test and inspect to ensure all hazards are removed. You should wait until they give the all-clear before re-entering.

How long does a crime scene cleanup take?

It depends on the size of the area and the extent of contamination. A small room might take a few hours, while a larger area could take days. The pros will give you an estimate based on their assessment.

Will my insurance cover crime scene cleanup?

Coverage depends on your policy and the circumstances. Some homeowner policies cover biohazard cleanup, but others do not. Policies vary, and your insurer decides what is covered. Contact your insurance company to find out.

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