Technology
Forensic Evidence and Probable Cause
Quick fact
In 1987, the U.S. Supreme Court ruled that a DNA match alone can establish probable cause, even without eyewitnesses. This marked a turning point where scientific evidence became legally sufficient to justify a search or arrest.
Why this is interesting
A single strand of hair can put a suspect behind bars—or set them free. How does a judge decide whether that strand is enough to justify an arrest?