It was the Jews .
The Pharisee leaders sought to kill Jesus, and one man, Judas betrayed him to the Pharisee's.
the tried to kill him
Unknown as it is not recorded.
To kill a large group of people unnecessarily..i think
They didn't, the people did- (we did) he claim he was the son of God
Jesus will come a second time only after the antichrist kills people.
An angel came to Joseph in a dream and warned him to take his family to Egypt immediately as Herod was looking for the child jesus.
to kill him on the spot and to suffer eternally
I don't know what group of people you belong to, but I wonder how you would feel if people were asking why it is wrong to kill your group. Use your thinking cap.
massmurder
It was the Pharisees who accused Jesus of healing people on the sabbath, as they were very strict about it.
68 if you don't count Bin Laden or Jesus.