Dateline NBC “The Footprint at the Lake” August 1 2025 Recap & Preview

On Friday, August 1, 2025, at 9/8c, Dateline NBC airs a gripping new episode titled The Footprint at the Lake, reported by Andrea Canning. The story takes viewers to Olney, Texas, where the disappearance of a beloved teacher, Manuela Allen, shocked a tight-knit community and left investigators with more questions than answers.

Known as “Manu” to friends and family, Manuela Allen was originally from a small Bavarian village in southern Germany. She came to the United States to study English, and during college, she met Peter — the man who would later become her husband. Together, the Allens built a quiet life as teachers in Olney, raising their children and spending summers with family overseas.

But shortly after returning from a trip to Germany in July 2019, tragedy struck. On the morning of Sunday, July 7, Peter Allen was online in the living room when his teenage daughter, Kiara, came in looking for her mother. When they realized the bedroom door was locked, Kiara went around to check — and discovered a large amount of blood. Manuela was gone.

What followed was a disturbing scene inside the house that pointed to a violent struggle. Investigators quickly determined this wasn’t a typical missing person’s case. As they began to piece together what happened, everyone inside the home came under scrutiny.

The Footprint at the Lake follows the twists and revelations of a case that stunned a quiet Texas town and devastated a family. With exclusive interviews and emotional testimony, Andrea Canning guides viewers through a search for answers that would take investigators far beyond what anyone expected.

Tune in to Dateline NBC on Friday, August 1, at 9/8c, with streaming available the next day on Peacock.