Every detail counts: how detectives work with circumstantial evidence
Circumstantial evidence gets a bum rap, but in the hands of savvy detectives it’s what cracks most cases. This is how they use it to piece together a narrative for a crime
Leaving an invisible trail: how killers cover up their crimes
Murders are tough enough for detectives to solve, but things get even more complicated when criminals destroy evidence
The search for truth: what happens when lie detectors lie
Law enforcement officials have used polygraph machines since 1921. Nearly a century later, their use in criminal investigations remains controversial. Could lie-detecting robots be the answer?
