In April 2019, Katherine Hammontre Sundquist embarked on a hike with friends and her beloved dog, Tootsie, in a national park near San Felipe, Baja California, Mexico. Their destination was a picturesque waterfall. Before the hike, Katherine had injured her foot, and not long after beginning the trek, she informed her friends that her foot was hurting. She decided to stay back at the first set of pools with Tootsie while the others continued on to the waterfall. It would take the group approximately 50 minutes to reach the waterfall and return to where Katherine was waiting. However, by the time the group returned, both Kat and Tootsie had vanished. Despite extensive searches of the area, no trace of either Katherine or Tootsie has ever been found. As news of Kat’s disappearance spread, rumors began to circulate within the community of San Felipe. People pointed fingers in various directions, but more than five years later, the mystery of what happened to Katherine Hammontre Sundquist remains unsolved.

You can follow Desiree’s efforts on social media at Katerine is still missing.

If you have a missing loved one that you would like to have featured on the show, please fill out our case submission form.

Follow The Vanished on social media at:

Facebook

Instagram

Twitter

Patreon

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Yesterday, we shared the first part of Isaac Seidel's story, providing insight into his life and the events leading up to his disappearance. You learned that Isaac vanished along with his bike, phone, and backpack, leaving behind everything else at his home. Isaac hadn't mentioned to anyone that he had plans to go anywhere. In fact, it appeared that Isaac was simply going about his usual Sunday routine. He had chicken thawing, something he regularly did to prep meals for the week. It seemed he set out for a bike ride, intending to return in time for dinner. But something happened to Isaac, and several years later, his whereabouts remain unknown.

If you have any information about Isaac Seidel’s disappearance, please contact the Pennsylvania State Police at (717) 567-3110. Isaac’s dark green Cannondale bicycle is also missing.

Megan has a social media page for Isaac to help spread awareness. You can follow her over on Facebook at Find Isaac Seidel.

If you or someone you know is struggling with thoughts of self-harm, help is available. The National Suicide Prevention Hotline is open 24/7 at 800-273-8255.

If you have a missing loved one that you would like to have featured on the show, please fill out our case submission form.

Follow The Vanished on social media at:

Facebook

Instagram

Twitter

Patreon

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Isaac Seidel, a 36-year-old man from Blain, Pennsylvania, disappeared on September 12, 2021. His loved ones grew concerned when Isaac missed several days of work, prompting them to visit his home. There, they discovered a chilling scene: Isaac, who lived alone, was gone, but his bicycle, backpack, and phone were missing. Everything else seemed untouched, including chicken thawing in the sink, suggesting he had planned to return home to cook dinner.

Initially, Isaac’s family feared he might have suffered a tragic accident, and they began combing the roads near his home, searching ditches and ravines, but found no trace of him. Now, several years later, they continue to search for answers, holding onto hope that they will uncover the truth behind his disappearance.

If you have any information regarding Isaac Seidel’s whereabouts, please contact the Pennsylvania State Police at (717) 567-3110. Isaac was last seen with his dark green Cannondale bicycle.

You can follow Isaac's case on social media at Find Isaac Seidel.

Support us by supporting our sponsors!

If you have a missing loved one that you would like to have featured on the show, please fill out our case submission form.

Follow The Vanished on social media at:

Facebook

Instagram

Twitter

Patreon

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.