The 3rd-person omniscient narrative voice is most likely being employed here. The writing is in the 3rd person, and the narrator apparently can give access to Chad's thoughts, which suggests that the narrator is writing from a perspective that knows everything related to the story.
1.Validity is the extent to which a concept, conclusion or measurement is well-founded and likely corresponds accurately to the real world.
2. Credibility comprises the objective and subjective components of the believability of a source or message.
3. a brief statement or account of the main points of something
4. A paraphrase is a restatement of the meaning of a text or passage using other words
5.quoting is repeating or copying out (a group of words from a text or speech)
6.Plagiarism is the representation of another author's language, thoughts, ideas, or expressions as one's own original work
In my opinion, no. If it was okay, the human population wouldn’t be so big for one. Also it’s not right. Yes people will test the limits, but that doesn’t give someone the right to end another’s life for it.