'Murder' in the Bible

"You have heard that it was said to the ancients, 'Thou shalt not commit murder', and whoever commits murder will be answerable to the magistrate.

For out of the heart proceed wicked thoughts, murder, adultery, fornication, theft, perjury, impiety of speech.

and your boast is, "'If we had lived in the time of our forefathers, we should not have been implicated with them in the murder of the Prophets.'

So when he saw that he could gain nothing, but that on the contrary there was a riot threatening, he called for water and washed his hands in sight of them all, saying, "I am not responsible for this murder: you must answer for it."