![Source: Investigators have known for years that the Delphi suspect was on the Monon High Bridge the day Abby and Libby were killed - WISH-TV | Indianapolis News | Indiana Weather | Indiana Traffic Source: Investigators have known for years that the Delphi suspect was on the Monon High Bridge the day Abby and Libby were killed - WISH-TV | Indianapolis News | Indiana Weather | Indiana Traffic](https://i1.wp.com/www.wishtv.com/wp-content/uploads/2022/11/Delphi-sketches-plus-Allen.jpg?resize=797%2C402&ssl=1)
Source: Investigators have known for years that the Delphi suspect was on the Monon High Bridge the day Abby and Libby were killed - WISH-TV | Indianapolis News | Indiana Weather | Indiana Traffic
![Police speak directly to the unknown Delphi killer: 'Today could be the day -- sleep well' - ABC News Police speak directly to the unknown Delphi killer: 'Today could be the day -- sleep well' - ABC News](https://s.abcnews.com/images/US/ABC-Indiana-teen-murder-02-rc-170310_hpMain_9_16x9t_608.jpg)
Police speak directly to the unknown Delphi killer: 'Today could be the day -- sleep well' - ABC News
![IJERPH | Free Full-Text | A Delphi Study to Identify Research Priorities Regarding Physical Activity, Sedentary Behavior and Sleep in Pregnancy IJERPH | Free Full-Text | A Delphi Study to Identify Research Priorities Regarding Physical Activity, Sedentary Behavior and Sleep in Pregnancy](https://www.mdpi.com/ijerph/ijerph-19-02909/article_deploy/html/images/ijerph-19-02909-g001.png)
IJERPH | Free Full-Text | A Delphi Study to Identify Research Priorities Regarding Physical Activity, Sedentary Behavior and Sleep in Pregnancy
![Prioritising primary care respiratory research needs: results from the 2020 International Primary Care Respiratory Group (IPCRG) global e-Delphi exercise | npj Primary Care Respiratory Medicine Prioritising primary care respiratory research needs: results from the 2020 International Primary Care Respiratory Group (IPCRG) global e-Delphi exercise | npj Primary Care Respiratory Medicine](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41533-021-00266-4/MediaObjects/41533_2021_266_Fig1_HTML.png)