Based on the clues, the police went to find Aria, the most important person in the case.
According to their investigation, the place where they went to retrieve my body that day was actually a house Aria had bought several years ago. She had never rented it out, so the only person who could have brought me in and out was her.
Unfortunately, the police were a step too late. By the time they arrived, Aria had already fled with her suitcase.
When she poured hot water on me, she seemed so calm and collected. I thought she wasn't afraid, but I didn't expect Aria to be such a coward. Her escape was tantamount to indirectly admitting that she was the murderer, and the police intensified their efforts to capture her.
After two days of cat and mouse, Aria was finally caught and brought back to the police station in handcuffs.
Slam!
The interrogating officer slapped the table and said to Aria with a stony face, "Confess and be lenient, resist and face the consequences."