Loudly

A bird perched on Alden's window chirping loudly drawing him out of his thoughts.

Alden got up and went to close the window. The bird flew away and he saw a note.

"You're next."

Blood drained from his face. What the hell? 

He remembered the last warning.

"Your enemy is close to you" and Brendan dropped dead.

Was the anonymous person the culprit?

He closed the window sharply.

He visited the dungeon the next day. He did a thorough search maybe to see a pointer as to what was used to kill Brendan.

He asked to see the rope Brendan used to kill himself.

The guards pitied him. They thought he wanted something to remind him of Brendan.

They gave it to him.

When he got back to the palace, he inspected the rope. It didn't look like someone tied it in a hurry. It didn't look stretched for long.

How did Brendan get a