First thing to do is to hire yourself an attorney before ever considering speaking with any law enforcement officer. You will be in a much better position by having counsel advocate your position than trying to do it yourself. Good Luck.
P. Darrell Kimbrell
Hire a lawyer. Obviously they do not believe you or they would not have you talking to the detective after giving a written statement. No good can come out of a meeting with the detective, who is going to try to drill you into a confession. Call a lawyer.