Nice misrepresentation of a verse right there. Luckily we can figure out what really is going on by checking !!
Jesus was telling the parable of the man who left on a journey to receive a Kingdom but after he left some of the servants who had served under him in his household sent letters to arrive ahead of him that they didn't want this man to be given a kingdom for they would not have him to rule over them. He received the promised Kingdom anyhow and when he returned he gave instructions for those who supported him to be given provinces of their own to rule over but that those who would've kept him from his promised Kingdom to be brought in and killed before him.
So that statement that you try to attribute as a command to kill from Jesus, is simply a quote from a character in Parable.
If you are going to fill the page you might want to check your sources, that last one was a bust.
It seems like a really wacko thing to even assert - since there are no recorded killings of people in front of Jesus by his followers.