Karen wrote to Richard Cottingham to seek the truth about her sister Denise's disappearance and death, as he had confessed to the murder.
Richard Cottingham initially apologized for the delay in responding and expressed his understanding of the pain Karen had suffered over the years.
Karen felt a mix of bravery and doubt, recognizing Cottingham's potential for deception but also his unique access to the truth she sought.
The word 'C' likely refers to 'confession,' highlighting the central role of Richard Cottingham's confession in Karen's quest for answers.
Karen's death left a void in the podcast host's life, as they missed her frequent calls and the deep friendship they shared.
The host reflected on Karen's obsessive need for the full picture and her eventual peace through her correspondence with Cottingham, despite the lasting impact of his actions.
Karen writes to a notorious serial killer in prison, hoping to finally come to terms with what happened to her sister.
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