The Eriksson Twins

Ursula and Sabina Eriksson were normal women, living normal lives. One day Ursula left her home in the US to travel to Ireland to visit her sister, During this visit, things would gradually descend into madness. Starting with them abruptly leaving Sabina's home, before being put off of a bus, running into the freeway and being hit by a truck, and ending with Sabina committing a seemingly random crime. What caused these two women to suddenly lose all reasoning? Were they under a shared delusion or mind control? Here is a clip to the incident on the M6. It is a bit distressing, so viewer discretion is advised.: https://www.youtube.com/watch?v=Kwq7PEYoITU&t=26s *After recording this episode, I became very aware that a pop filter was necessary, so please bare with me!