Riddles 
Orca
Orca The Car Was Sealed. The Bullet Didn't Care.
A locked-room murder on four wheels. Every clue you need is in this story.
Riddles 
Meerkat
Meerkat He Described the Killer Perfectly. That Was the Problem.
His statement sounds airtight. Most people read past the two impossible details.
Riddles Cheetah
Cheetah His Alibi Was Perfect. Except for One Word.
90% of People Miss the Lie in This Sentence
Riddles Meerkat
Meerkat The Night Shift
A woman is found dead in her hotel room. Three workers tell the police where they were that night. One of them is lying.
Riddles Orca
Orca The House for Sale
A realtor is murdered inside the house she was about to sell. Her husband answers one question. It is enough to arrest him.
Riddles Cheetah
Cheetah The Man Who Walked His Dog
A man is murdered in his locked apartment. His neighbor has an alibi ready. The police break it in one second.