Who did it

Question: A cop is chasing a man that just robbed a bank in crimesville. The cops name is robber and the robbers name is cop. Another man is a theft at another bank steeling money and another police is chasing him. The polices name is theft and the mans name is police. A third man steels money at the other bank in crimesville and the sheriff is chasing him. What is the name of the sheriff and the third man?

Question: People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?

Question: What can be broken but never forgotten?

Question: Which thing that comes once in a year, twice in a week?

Question: You are trying to get your chicken, fox, and wheat to the barn. However, the barn is on the other side of the river. You are on a boat and can only transport one animal or wheat at a time. You must choose carefully not to leave the wrong two together, though. It's either the fox will eat the chicken or the chicken will eat the wheat. How do you take each thing across safely?

Question: During what month do people sleep the least?