The evidence on popular blog suggests he killed a woman . Eagle-eyed users of the website Reddit helped identify the exact location on the postcard as Chicago 's Jackson Park , and the post quickly spread across social media . Social media users help identify the site as a Chicago suburb . A police search turns up no evidence that a crime was committed .
The evidence on popular blog suggests he killed a woman . Social media users help identify the site as a Chicago suburb . A police search turns up no evidence that a crime was committed .