The following is a possible concise summary of the text:
A man tries to steal a motorcycle from a mechanic, but gets tricked by two kids who pretend to be buyers and take his car instead. He chases them and manages to kill them with a gun, but then gets arrested by the police. He narrates his story in a video and asks his viewers to follow him on social media.
Here are the key facts extracted from the text:
1. The conversation is in Portuguese.
2. The speaker mentions a motorcycle and a car.
3. The speaker talks about a plan to steal a motorcycle and exchange it for a car.
4. The speaker mentions a gun and a police officer.
5. The speaker talks about a robbery and a stolen motorcycle.
6. The speaker mentions a mechanic and a bike that broke down.
7. The speaker wants to return the stolen motorcycle to its owner.
8. The speaker is afraid of the police and doesn't want to get caught.
9. The speaker is talking to someone named Luíza and mentions a social media account.
10. The speaker is inviting viewers to subscribe to a channel and follow them on Instagram.
11. The speaker mentions a website (politics.tv/paulinoco.br) and a schedule for uploading content (Monday to Friday).
Please note that some parts of the text are difficult to understand due to the informal language and colloquial expressions used.