Clue Riddles

The Jones Brothers
Riddle:
One snowy night, Detective Anderson was in his house reading a book. All of a sudden a stone came crashing through his window, breaking it. Anderson got up and looked out the window just in time to see three neighborhood brats who were brothers run around a corner. Their names were Alan Jones, Mark Jones and Peter Jones. Not knowing of Anderson's reputation as a genius detective, the two innocent brats teased him by sent a note with clue on Anderson's front door. The note reads "? Jones. He broke your window." Which one of the three Jones brothers should Anderson question about the incident?
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The Car Thief
Riddle:
A car thief, who had managed to evade the authorities in the past, unknowingly took the automobile that belonged to Detective Anderson. The detective wasted no time and spared no effort in discovering and carefully examining the available clues. He was able to identify four suspects with certainty that one of them was the culprit. The four make the statements below. From twelve of total statements, six are true and six false. Suspect A: 1. C and I have met many times before today. 2. B is guilty. 3. The car thief did not know it was the Detective's car. Suspect B: 1. D did not do it. 2. D's third statement is false. 3. I am innocent. Suspect C: 1. I have never met A before today. 2. B is not guilty. 3. D knows how to drive. Suspect D: 1. B's first statement is false. 2. I do not know how to drive. 3. A did it. Which one is the car thief?
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