Let me give you a complete answer. The story indeed begins in a courtroom, for question 9. For question 10. Ted wants kimmy to give him an alibi in the court. for question 11. The narrator is mentioned as an adult looking back as his youth. And for question 12 we say that the scarlet ibis lands on a bleeding tree in the backyard of the narator
I do not know what your question is but if you are asking what is it then it could be a pipe under water that is dripping at a constant rate underwater which is why you only find it while wearing scuba gear.