Sura 2
"(86) We gave Moses the Book and followed him up with a succession of Messengers; We gave Jesus the son of Mary clear (Signs) and strengthened him with the holy spirit. Is it that whenever there comes to you a messenger with what ye yourselves desire not ye, are puffed up with pride? ―Some ye called impostors and others ye slay!"
Thats a high intesification from slander to kill someone and it is not described as fact.That is a barbaric description of the jewish people,i think the common folk has never killed a preacher but i can imagine that they were in opposition to them so other translation would be better -"to make so. unable;to fight against;