Detective Thorne inspected a sinking ship where the captain was found locked inside his watertight cabin. The door had no keyhole, only a heavy iron bolt sliding from the outside. The room had no windows, yet the captain drowned. How did water get in?

Detective Reed found a victim in a locked walk-in freezer. The heavy metal door was bolted from the outside. The temperature inside was well below freezing, yet the victim's body was completely soaked in warm water. How is this possible?

A jeweler reported a heist. The front window was smashed inward, and diamonds were missing from the velvet tray. The security footage showed a masked figure throwing a heavy cobblestone through the glass at midnight. However, the lead detective noticed all the broken glass shards were lying neatly outside on the pedestrian sidewalk. What does this prove?

A master thief stole a rare manuscript from a museum display case. The guard swore the thief wore thick lead-soled boots that echoed heavily through the stone hallways. Yet, the forensic team found only delicate, soft footprints leading out the back door. How did the detective solve this contradiction?

Detective Miller walked into an office where a manager sat dead behind a desk, a revolver clutched in his right hand. A bullet hole pierced the center of his forehead. Miller immediately declared it a homicide, not a suicide. What made it obvious?

An old archivist was found dead behind his desk with a heavy book resting on his chest. The title of the book was 'Volume I: How to Survive a Poisoning'. The coroner confirmed he died of natural causes in his sleep. Why did the detective investigate the book anyway?

Four friends passed notes. Ana passed to Ben, Ben passed to Cal, Cal passed to Dee. Who got the note last?