Hilton confessed to killing 7 people. he stated that he didn't care
about those people; he told the police that he is indifferent and he
did not feel any guilt or remorse for what he did. his tone when
telling police was calm and collected. his ex-wife told the police that
she believed he would do something so terrible.
identify his disorder.

idk

explanation:

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.