The resurrection of Lazarus, according to St. John's account is too close to Christ's Passion to allow for a forty-day delay. I'll need to reread the Gospel to see whether the healing of the man born blind could have triggered a trial-in-absentia forty days before Our Lord's Passion.
I think it was earlier that the desire was born. I don't have time to work out the timeline right now though, but it was around the Feast of Tabernacles.
St. John 7.1. After these [things] Jesus went around Galilee. For it was not his pleasure to go around Judea, since the Jews wanted to have him killed.
19. "Did not Moses give you the Law? And [yet] not one* of you obeyed* the Law. Why do you want to have me killed?"
20. The crowd replied, "Are you [possessed] by a demon*? Who wants to have you killed?"
25. And [some] men of Jerusalem asked, "Is not this one whom they want to kill?
50. [There] said to them Nicodemus, one of them, who had come to Jesus in the night,
51. "That is why our Law condemns none*, except if it hears from them beforehand and learns from them what they have done?"
8.40. "But now, behold, you want to have me killed, [me] the man who spoke to you truthfully, that which I heard from God. Abraham would [never] do this!