Here is a possible concise summary:
This is a video transcript about six former life-sentenced prisoners in Russia who were released after their cases were reviewed. The video tells the stories of Alexander Biryukov, who killed an officer in the army and became the main character of a documentary film; the Solikamsk Trinity of Vladimir Dorokhin, Alexander Shchegolev and Vladimir Pakhomov, who were convicted as particularly dangerous repeat offenders under the old Criminal Code; Alexey Bykov, who committed a triple murder and became the only lifer to receive parole; and Anvar Masalimov, who killed two people and was released after 25 years, but soon returned to prison for another crime. The video ends with a call to like and subscribe to the channel.
Here are the key facts extracted from the text:
1. Only six life-sentenced prisoners in Russia have had their cases reconsidered and been released.
2. Alexander Biryukov was the first life-sentenced prisoner in Russia to have his sentence reviewed.
3. Biryukov was born in 1971 and drafted into the Soviet army at age 18.
4. He was sentenced to death in 1991 but was later given life imprisonment due to a moratorium on the death penalty.
5. A documentary about Biryukov's last meeting with his mother contributed to his case being reconsidered.
6. Biryukov was released from prison in 1999 after his sentence was reclassified.
7. After his release, Biryukov married and had a stepchild but later divorced and passed away from a heart attack.
8. Changes in the Criminal Code of the Russian Federation in 1997 affected the release of certain prisoners.
9. The concept of "Especially Dangerous Repeat Offender" was removed from the new Criminal Code, leading to some prisoners' release.
10. Alexander Shchegolev, Vladimir Dorokhin, and Vladimir Pakhomov were released from prison due to these changes.
11. Pakhomov successfully sued the state for compensation for moral damages.
12. Alexey Bykov was the only life-sentenced prisoner in Russia to receive parole.
13. Bykov was convicted of triple murder in 1999 but had his sentence revised in 2010.
14. Anvar Masalimov was sentenced to death but later released after proving he was convicted under an outdated Criminal Code.
These are the main factual points from the provided text, excluding any opinions or subjective statements.