Here is a concise summary of the provided transcript:
**Main Story:**
* A team (Lux Army) investigates a claim by an 18-year-old girl named Lydia, who believes someone is living in her house and talking to her through the vents at night.
* Upon investigation, they find fresh food items (apple core, half an egg) in the vent, which Lydia denies placing there.
* The team sets up cameras and catches an individual, who is questioned but provides unclear and concerning responses, suggesting potential mental health issues.
* The individual is escorted out, and the police are called. The outcome remains inconclusive.
**Additional Segment (Promoting a New Channel):**
* The team promotes their new channel, "Luxury Dark", showing footage from a video where they explore a dark web site allegedly offering access to people's webcams for a fee.
* They express discomfort with the potential privacy violations and invite viewers to subscribe to the new channel.
Here are the extracted key facts, each with a number and in short sentences, excluding opinions:
**Investigation Setup**
1. The investigation team received an email from an 18-year-old girl named Lydia.
2. Lydia claimed someone was living in her house and talking to her through the vents at night.
3. The team visited Lydia's house to investigate.
**Initial Investigation at Lydia's House**
4. The team found an open vent in Lydia's bedroom, which she claimed she didn't touch.
5. Inside the vent, they discovered a fresh apple core and half of an egg.
6. Lydia swore she didn't put these items in the vent.
**Encounter with the Intruder**
7. The team set up cameras around the house and waited in a car to monitor.
8. They observed Lydia acting strangely, prompting them to re-enter the house.
9. In the basement, they found a person who had been living in the house.
10. The person was questioned but provided unclear and concerning responses.
**Aftermath**
11. The team called the police due to the unclear and potentially dangerous situation.
12. The intruder was removed from the premises.
13. The outcome of the police involvement is not specified due to the end of the provided content.
**Unrelated Side Note (New Channel Promotion)**
14. The team promotes their new channel, "Luxury Dark", with a separate investigation involving a website for accessing webcams.