Crime scene: Blood spatters covered the walls, a body lying motionless on the floor. The murder weapon, a bloody knife, discarded nearby.

Detective's perspective: The victim was a wealthy businessman, many enemies but no clear suspect. As I examined the evidence, a feeling of unease settled in my gut.

Suspect interview 1: The victim's wife, tearful and distraught, claimed she was out shopping at the time of the murder.

Court testimony: The forensic expert testified that the fingerprints on the murder weapon matched those of the victim's business partner, who vehemently denied any involvement.

Twist ending: But as the trial proceeded, a secret affair between the victim's wife and the business partner was revealed, leading to a shocking confession that they planned the murder together.