At the beginning of the show, they point out the age of the kidnapped boy as being 10. Later, they talk about him as an 8 year old boy. Either way, his mother says she married the boy's father in 2014 and the father subsequently hitting her while she was pregnant. With it being 2021 now, the boy couldn't be over the age of 7.
Continuity issues during the child's kidnapping. the FBI agent says a Skoda was involved, but you can clearly see it had a Mercedes logo and not a Skoda winged arrow.
At 11:48 there is a station announcement saying 'Prague main station' even though the events take place in Budapest. It filmed in Szeged, Hungary.