Angel had originally planned to stay on Minsk Street until evening, but Sherlock's sudden remark had frightened her into fleeing in embarrassment. She hired a carriage and arrived near Backlund Technical College in the North Borough before the sun set, where she met Mr. Raymond, the detective she had been working with for over half a month.
The latter seemed to have already got used to his days and nights being reversed and to the constant surveillance work. Though his complexion was somewhat poor, he was still fairly alert. When he saw his client arrive, he took a document envelope from his desk drawer and handed it to Angel.
"After days of surveillance, we finally made a new discovery the night before last. The man you were looking for secretly came near the target building at night, pried open a first-floor window, tossed a letter inside, and slipped away," Raymond said, introducing their findings from the past few days. "We followed him, found his residence, and investigated his identity. We've confirmed who he is."
"Kaliwa Dupont, thirty-nine, unmarried, a lecturer in the Department of Mechanical Engineering at Backlund Technical College?"
Looking through the information the detectives had gathered and investigated, Angel was somewhat surprised. She had never expected the person who had sent Lily Granger multiple threatening letters to be her teacher. This older bachelor looked perfectly respectable during the day, teaching and educating students at the college, yet at night he sneaked to a student's doorstep, pried open a window, and stuffed threatening letters inside?
If the contents of those letters changed a little, this would become a melodramatic love story... she grumbled inwardly, glancing at Kaliwa's address. It was also in the North Borough, two streets away, within a ten-minute walk.
"Thank you, Detective Raymond. As agreed, I'll