A clean getaway

New household cleaners may make blood hard to find at crime scenes

By Dina Fine Maron, 00:00 AM December 2, 2008

"Oxy" cleaners may make forensic tests, such as this one checking a shoeprint for blood, ineffective.

courtesy of Howstuffworks.com

Criminal investigations begin with a search for clues. Teams of investigators arrive at a crime scene armed with special fact-finding gear. They look for standard evidence like fingerprints, footprints or blood at the scene of a crime.

 

But scientists recently discovered something troubling. Some new household cleansers can remove all traces of blood. If...

Source URL: https://student.societyforscience.org/article/clean-getaway