A possible concise summary is:
This is a video that presents the seven most terrifying and sickening paintings and drawings created by serial killers. The video describes the crimes and the art of each murderer, from Andrés Crawford to Kit Jasperson, and warns the viewers about the disturbing nature of the images. The video also mentions the sources, the editor and the channel of Antonio García Villarán.
Here are some possible facts extracted from the text:
1. The text is about the art of serial killers.
2. The text presents a list of seven serial killers and their paintings or drawings.
3. The text describes the crimes and motivations of each serial killer in detail.
4. The text warns the reader about the disturbing and graphic nature of the art and the stories.
5. The text mentions some sources, such as Google, a prison psychiatrist, and a personal diary, to support its claims.
6. The text ends with a dedication to another YouTube channel and an editor.