The fourth dimension is superimposed on ours and there the power they have is total to control the human species.
But how does this power work? The beings there have highly advanced technology and extrasensory powers far beyond those of the human species. For example, they want to control a girl named Tatiane Souza. They can type her name into their devices, and she appears before them in a holographic image, as if she were face to face. They can, however, choose to use the power of their minds. In this case, they think of her, and she appears before them.
If they are interested in her, the Aliens on the fourth floor can open a dimensional portal directly above her, looking at her from the roof of the house, as if there were no roof or walls.
Then they choose this target to perform genetic experiments on. In this case, they abduct her while she sleeps, creating a wormhole—a portal—between her and the ship or base. On the ship, they place an implant made of crystal or other unearthly material. With this crystal, they can monitor her 24 hours a day, even coordinating her heartbeat and thoughts.
Yes, her thoughts, they convert her thoughts into short waves and they can get an idea of what she thinks, not exactly, but they convert these short waves into images on the device at the base or on the ship.
With all this monitoring power, they can control her and create a child with her DNA. They can leave the child with her and monitor her while she's alive, or they can remove the child from her while she's still in the womb, causing her to miscarry the embryo.
Currently, they have reached an advanced level of molecular engineering and are able to place an embryo of an advanced hybrid, almost human, in the womb of a human, causing the child to be born on Earth and monitoring this child throughout its life, generating the click, the awakening when the time is right for the child, who is actually an alien, to work for them.
This method is very wonderful for them, as they can introduce many hybrids into the land without arousing suspicion.