Iscuss the moral considerations relevant to the killing of human beings

Discuss the moral considerations relevant to the killing of human beings. Use the following articles to state that argument:
A Defense of Abortionby Judith Jarvis Thomson
Voluntary Active Euthanasiaby Dan W. Brock
The Retributive theory of Punishmentby Immanuel Kant
What is Wrong with Terrorism?by Thomas Nagel
Discuss the moral considerations and also explain flaws in the arguments and find ways to explain these flaws with examples. All these articles have to be included in the essay.This essay has to have alot of Depth and though behind it. Do not use other sources besides these articles but if need to use Stanford Encyclopedia of Philosophy.