Who Killed Jesus?

Who is responsible for the death of Christ? Searching the New Testament tracing the use of the Greek term "paradidwmi" will reveal five categories of suspects. Each of these have been overemphasized at the expense of the others by various groups at various times in history to the detriment of their theological health. Let's see who the scriptures say is responsible for the "paradidwmi" (delivering up, handing over, betrayal)of the Lord Jesus Christ.