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Re: The Thin Blue Line, a documentary by Errol Morris, is one of
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09 Oct 2017, 08:54
Explanation
This sentence tells you that Morris’s film proves that its subject did not commit the crime in question. This implies that the film proved his innocence. Both exculpate and vindicate mean to “clear someone of blame or suspicion.” Liberate and manumit are close, but both have the idea of freedom without freeing from blame (and manumit is technically only used for when someone is freed from slavery). Excuse means “to lessen the blame” or “forgive someone for a fault,” but not to prove they were not at fault in the first place.
Hence options exculpate, vindicate are correct!