Ah there you go. If you twist the words kill and murder youre already not taking the bible literally. It seems you have read the Bible really little if you can say with a straight face that it is still valid today.
If you would take the Bible literally you should for example avoid any contact with any menstruating women, perform several crimes on daily basis, discriminate etc. The Bible is literally filled with ancient superstition and inconsistencies. It was an excellent survival guide and etiquette 2000+ years ago but for todays standards its just dated. About like trying to take advice from war time manuals on todays world. Car battery empty? Take the hand crank and crank the car lol.
the fact that when it gets translated some words are not exactly what the message is...does no mean the message should not be taken literal. .
as far as the "old laws" the one you mentioned and ALL the other laws are not ours to follow.
can you tell me the 10 commandments are not perfectly suited to today?
just because the "world" thinks something does not mean it is correct.