This is a possible concise summary:
The user wants me to write a summary of a transcript of a video that analyzes the case of Beth Thomas, a girl who suffered from severe attachment disorder and psychopathic tendencies due to abuse and trauma. The video shows an interview with Beth when she was seven years old and how she expressed her desire to kill her adoptive parents and brother. The video also reveals that Beth was treated by the same therapist who later killed another girl, Candace Newmaker, in a rebirth therapy session. The video ends with the information that Beth recovered from her disorder and became a nurse who helps abused children. The user also comments on the coldness, intelligence and danger of Beth and how he is glad that her story ended well.
Here are the key facts extracted from the text:
1. Beto Tomás was born in the United States in 1981.
2. She was the second of three siblings.
3. Her mother died of alcoholism when Beto was one year old.
4. Her father, who was abusive, left the children alone.
5. Beto was adopted by a couple, Tim and Julie Tener, who did not know about her behavioral problems.
6. Beto exhibited aggressive behavior, including hitting and stabbing her brother and animals.
7. She was taken to a psychiatrist at the age of 7.
8. A documentary was recorded with Beto and her family in 1990.
9. Beto's behavior was diagnosed as attachment disorder, but some experts believe she exhibited psychopathic tendencies.
10. Beto underwent therapy, including attachment therapy, which is now considered a pseudoscientific approach.
11. The therapist who treated Beto, Connell Watkins, was later convicted of killing a 10-year-old girl during a rebirth therapy session.
12. Beto's adoptive mother testified in favor of Watkins, but Watkins was ultimately convicted.
13. Despite her troubled past, Beto is now a nurse and has won awards for her work with children from abusive families.