"Is this Detective Zhang's letter?" Mu Yuchen took the letter from her and asked.
Xi Xiaye nodded. "I went to visit his office a while back, but his door was closed and I couldn't contact him at all. Then, yesterday morning, he suddenly messaged me and told me to be careful. This letter and Detective Zhang's secretive behavior made me suspicious, but I couldn't make a decision on my own, so I wanted you to return earlier." Her tone sounded serious.
Mu Yuchen nodded and slowly opened the letter as Xi Xiaye went closer to take a look.
He took out the letter and glanced at it.
It was a printed letter, but there was a scrawled signature of "Zhang" at the bottom. Xi Xiaye recognized that it was Inspector Zhang's signature. The letter was not very long. In fact, there was only one sentence:
