Blood, brains and biohazards are all in a day's work for the crime scene cleaners as they head under the police tape with bodycams, specialist skills and expert forensic analysis.

After a fatal stabbing inside a rental car in London, the crime scene cleaners deal with the aftermath, tackling blood-soaked seats and saturated upholstery. In Phoenix, Arizona, a team make a road safe after a car accident leaves a pedestrian with life-threatening injuries, and in Louisiana, a meth lab hidden in a suburban home is cleared of explosive chemicals.

The cleaners tackle rotting waste and drug gear in Worksop. And a maggot-covered body lies in the sweltering Florida heat. In Baton Rouge, blood is seeping through the floor of a mobile home.

A man is found dead in disturbing circumstances in Buckinghamshire. A Phoenix pile-up leaves blood smeared across the road. A body is discovered dumped under a car on a Mississippi bridge.

Skeletal remains are discovered in a Reading flat. A man is gunned down in a park in Phoenix. In an LA tenement block a body is found under suspicious circumstances.

A brutal stabbing leaves blood sprayed across a Newcastle stairwell. Police cars in Phoenix are soaked in vomit, blood and worse. In a Baton Rouge drug encampment a man has a knife.

A Florida woman is found unconscious in a blood-drenched bedroom. A decomposing body in Louisiana may be linked to hidden cash. Discarded drug needles are a health hazard in Somerset.

A decomposing Arizona body leaves a haunting imprint on the floor. A Louisiana drug den reveals a cleaner’s criminal past. In Newcastle, a cannabis grow house is a mess.

A tenant booby-traps a Newcastle flat with used needles hung from ceilings and doorframes. A high-speed crash in Phoenix leaves blood smeared across a busy junction.

There’s rats everywhere after a farm burglary in Somerset. A drunk driver leaves Phoenix city centre soaked in blood. A drug encampment is cleaned out in Baton Rouge.