petere konjugation latein Riddles

A man entered his house and was about to hang up his coat when he heard his wife shout; "No John! Don’t do it!" There was a shot and he could hear his wife fall down. When he entered the kitchen he saw his wife and the gun lying on the floor. There was a police officer, a doctor, and a lawyer standing next to her. Peter immediately knew that the police officer had shot her. But how did he come to know?

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?