How does Dr. Jekyll’s confession answer questions about the murder of Danvers Carew?

In his confession, Dr. Jekyll explains that Hyde embodied the evil side of his nature and acted with growing cruelty. Jekyll does not give a reason Carew was walking that night or explain what became of the witness; instead, he describes Hyde’s violent impulses and the transformation that led to the murder. Therefore, the confession reveals what caused Hyde to kill Danvers Carew.

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