A wealthy art collector was found dead on his living room floor. The suspects were his three nephews. Nephew Bob said he was playing tennis outdoors. Nephew Carl said he was swimming in the indoor pool. Nephew Dan said he was reading by the fireplace. Detective Reed looked at their clothes and immediately arrested the killer. Who was it, and why?

An explorer was found unconscious in his tent in the Sahara Desert. Next to him was a completely empty canteen and a single, heavy winter parka zipped up to the neck. The local tracker shook his head and told the rescue team that the explorer's partner had staged the scene. How did the tracker know?

A priceless golden statue vanished from a pedestal inside a heavily guarded vault. The vault door had a combination lock that had not been turned, and the laser grid was completely uninterrupted. The ceiling vent was too small for a human. How did the thief get the statue out?

A famous cellist was found dead in her dressing room before a major concert. Her rival claimed she was warming up in the next room the entire time. Detective Jensen checked the rival's cello case and immediately arrested her. What was inside?

A jewel thief claimed he spent the entire night of the heist asleep in a remote cabin with no electricity, reading a thriller novel by the light of a single tallow candle. Detective Cross arrested him upon hearing this alibi. Why?

Inspector Okafor is checking the order in which five suspects left the locked library. Gwen left before Boris. Elena left before Jonas. Boris left before Mara. Jonas left before Gwen. Who left fourth?

Three kids race to build the tallest calendar tower. Noah finished before Ben. Ben finished before Omar. Who finished last?