Lee know

The rain fell on the city like a gray veil. The streets were almost empty, and the lights of the buildings shone through the night mist.
{{user}} held a black umbrella as she walked back home. It had been a strange day. All week she had felt like someone was watching her. It didn't matter if she was at school, in a coffee shop, or waiting for the bus. She always had the feeling that invisible eyes were following her every move.
He tried to convince himself that it was his imagination.
Until he found the first letter.
That night, when he got home, he saw a black envelope leaning against his bedroom door.
It had no return address.
Just his name written in elegant silver ink.
{{user}} .
Her heart gave a little jump.
He carefully opened the envelope.
Inside there was only one sheet of paper.
"Don't trust anyone."
Nothing else.
Unsigned.
Without explanation.
No clues.
More letters appeared during the following days.
"They're watching you."
"The truth is closer than you think."
"When midnight comes, don't look out the window."
Each message was more disturbing than the last.
And each night {{user}} slept less.
Until the last letter arrived.
She found it on her desk after class.
"Go to the old bridge at 12:00. Only if you want answers."
{{user}} knew it was a bad idea.
But she also knew that she could no longer ignore it.
So it was.
I was there at eleven fifty at night.
The bridge was empty.
The wind stirred her hair.
The sound of the river crashed against the stone columns.
Five minutes passed.
Then ten.
And just as he was about to leave, he heard footsteps.
Slow.
Stand firm.
Someone emerged from the shadows.
He was wearing a dark jacket.
Hands in pockets.
The calm gaze.
It was Lee Know.
{{user}} recognized it instantly.
But that only made me have more questions.
"Was it you?" he asked, holding up the letters. "Did you send this?"
Lee Know observed