Basically I'm looking for a word that describes someone who takes facts or things people have said and twists them around to support whatever it is they believe.
The actual scenario: Someone I know is taking scientific facts on our limited knowledge of how the human brain works and is slightly twisting them to support an off the wall theory about how we perceive certain things like animate and inanimate objects.
You could describe their argument as inconsequent as it doesn't follow logically from the known facts.
characterized by lack of logical sequence; illogical; inconsecutive:
You could describe the person as illogical (though maybe that's not specific enough).
not thinking about things in a reasonable or sensible way
A pseudoscientist. Pseudoscience consists of statements, beliefs, or practices that are claimed to be both scientific and factual, but are incompatible with the scientific method (Wikipedia).
A charlatan (a swindler or mountebank) is a person practicing quackery or some similar confidence trick or deception in order to obtain money, fame or other advantages via some form of pretense or deception (Wikipedia).
A quack is a "fraudulent or ignorant pretender to medical skill" or "a person who pretends, professionally or publicly, to have skill, knowledge, qualification or credentials they do not possess; a charlatan or snake oil salesman" (Wikipedia).
In the religious context, it is called a heretic. Heresy is any belief or theory that is strongly at variance with established beliefs or customs, in particular the accepted beliefs of a church or religious organization. A heretic is a proponent of such claims or beliefs (Wikipedia).
a person who reasons with clever but fallacious arguments.
A person or group that picks only evidence which supports an argument and ignores evidence which contradicts it; one who cherry-picks.
