Yana Zemskaya and her two young children traveled to the village of Losevo in the Leningrad region. Nazar, Yana's eldest son, 3 years old, was in full view of the adults the entire time. And when Yana started to go home and literally turned away for a second to put his tablet in the car, Nazar suddenly disappeared... / Nadezhda Burkova was returning home from work and saw that her mother, Tatiana Kulikova, was not at home. The 66-year-old woman, who was diagnosed with dementia several years ago, disappeared without a trace...