Why Abortion is murder
Human == human being. They are largely synonymous.
Definition of human being:
-- any individual of the genus Homo, especially a member of the species Homo sapiens.
Definition of human :
-- of, relating to, or characteristic of humans
-- having human form or attributes
It goes like this, the Fetus just describes its state of development, So the killing of the human fetus is murder by definition.
If you kill a pregnant woman in a car accident ,you can be charged with manslaughter of the woman and her fetus, and a person is also charged with first degree murder for giving his pregnant girlfriend abortion pills.