CSI challenge #67 - The sixty four thousand dollar question

I just love CSI challenges - this was my entry for #67 this week, loaded online on their site. I was so excited to be named a star witness for last weeks challenge!

My son is always questioning people, and pestering people he sees when out. He has to know every detail of what they are doing, and why, and why, and why again! This detailed a conversation (one of many) between him and a random policeman in Canberra