The speaker is describing a situation where they and their sister, Maria, are being threatened by an anonymous person on WhatsApp. The person has been sending them messages, claiming to know where they live, and has even gone so far as to say they are at their door. The speaker and Maria are scared and have tried to block the person, but they continue to send messages. The speaker has enlisted the help of a friend who is a tech expert to try and track down the person's IP address and location. They have discovered that the person is from São Paulo, but are having trouble pinpointing their exact location. The speaker and Maria have unblocked the person's number and sent a message, and are now waiting to see if they will respond. The speaker is also considering going out onto the street to try and find the person, but is hesitant due to safety concerns.
Here are the key facts extracted from the text:
1. Someone sent threats to the narrator's sister on WhatsApp.
2. The person sent a message saying they were at the narrator's house.
3. The narrator and their sister were scared and tried to find out who the person is.
4. They managed to track the person's IP address.
5. The person's area code is 011, indicating they are from São Paulo.
6. The narrator and their sister went to a friend's house to try to find out more information about the person.
7. The friend is a professional who can help track the person's phone number.
8. The narrator's sister had blocked the person on WhatsApp, but they unblocked them to try to get more information.
9. The person responded to their message and told them to go downstairs.
10. The narrator and their sister are trying to find out who the person is and why they are sending threats.
11. The person sent a clown face emoji in their message.
12. The narrator and their sister went outside to try to find the person, but they didn't see anyone.
13. The person had been typing for two hours, but didn't send any further messages.