The discovery of fresh fingerprints at a crime scene is a promising step towards determining the culprit, though huge databases still need to be sifted through in order to find potential matches and the culprit's prints need to be included in said databases. So what if many of the suspects could be ruled out before this rigorous search even begins? A new fingerprint identification technology is promising to lighten the load for investigators, by revealing whether prints belong to a male or female.
A study conducted by Dartmouth College has delved further than ever before into the authenticity of the infamous backyard photograph of John F. Kennedy assassin, Lee Harvey Oswald. Specifically, the team analyzed Oswald's pose in the picture – something that's long been a point of controversy.
Do you remember Pig-Pen, the Peanuts comic character who's always surrounded by a cloud of his own filth? Well, it turns out that we're actually all a little like him. Scientists have discovered that not only does everyone emit an invisible "microbial cloud," but that individuals can be recognized by the bacteria that make up their particular cloud.
A suspect says it on every forensics TV show ... "Of course my
fingerprints were at their house, I delivered a package to them earlier
this week!" Soon, though, that excuse may not be enough. Using a new
technique, investigators could be better able to determine how many days
ago fingerprints were left at a crime scene.