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The second victim of the Lost Hand Case, Mabel, had her hand chopped off while she was sleeping at home. The chances of solving burglary attacks like this were usually quite high, but only Mabel’s case was unsolved. There were numerous security cameras in the surrounding district, but there was no sign of any suspects, which had perplexed the police. What method had the culprit used?

When Liam saw Emily’s detailed plan, he finally realized how she had done it! If the keyword for Sarah’s case was “vent,” then the keyword for Mabel’s case would be “ladder!”

Last month, Emily had taken a retractable ladder, and climbed up to the building next to Mabel’s house. There was a distance of five meters between that building and Mabel’s apartment. After the ladder had been set up, it could be placed between the two buildings, acting as a bridge.

Emily had not only meticulously planned her use of the ladder, but had gathered food and water as well, which she had hidden on the rooftop. On April 23r