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Crime Scene Investigation Chapter 2: Full Walkthrough for Charles’ Case (Roblox)

Every clue, the safe code, the shed power box, and the four report answers that close Charles Dubois's murder.

Every clue, the safe code, the shed power box, and the four report answers that close Charles Dubois’s murder.

Chapter 2 of Crime Scene Investigation drops you into the Moreau Mansion to solve the killing of Charles Dubois in the Library Wing. To finish the chapter and earn the badge, you fill out the Criminal Investigation Report with four correct answers, and the clues that back them up are spread across bedrooms, an office safe, the dining room, and a hidden passage.

Quick answer: On the report, enter Blackmail for the motive, Lucien as the killer, Luzinete as the first person at the scene, and Secret passage for how the killer entered, then press Submit Report.

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The four report answers for Charles’ Case

The report opens with case number 1999-0501-0145, dated 05/30/1999, at Moreau Mansion – Library Wing. Four of its questions must be answered correctly. The fifth question, which asks who else should be investigated, can be left blank.

Report questionAnswer
Q1 — What was the motive?Blackmail
Q2 — Who killed Charles?Lucien
Q3 — Who was first to arrive at the scene?Luzinete
Q4 — How did the killer enter undetected?Secret passage
Q5 — Who else should be investigated?Leave blank

Prove the motive: blackmail and the will

The motive comes from a chain of documents that show Lucien Moreau was under financial pressure and stood to lose his inheritance. Collect these before touching the report.

Go upstairs to Lucien’s bedroom and read the blackmail letter on the nightstand. It is addressed to Lucien from Charles Dubois.
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Read the nearby note about Lucien’s gambling debts and money troubles. This establishes why the blackmail mattered to him.
Find the note under the stairs to get the safe code, which is 1200.
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Head to Etienne’s office and open the safe hidden behind the painting using 1200. Read the old will inside.
Read the new will on the dining room table. It shows Lucien’s inheritance was cut, which locks in blackmail as the motive.
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Confirm the killer and the first witness

Lucien Moreau is the killer, and Luzinete is the person who discovered the body first. Luzinete’s dossier confirms she reached the scene before anyone else, which answers the witness question.

With the motive documents and the dossier reviewed, you can enter Blackmail, Lucien, and Luzinete on the report. The final answer, the entry method, requires one more section of the mansion.

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Open the secret passage for the entry method

The killer entered the library through a hidden passage behind the office bookshelf. Reaching it takes two steps, since the passage button only works after you restore power from the outdoor shed.

Go upstairs to Isabelle’s room and take the shed key from the bookshelf.
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Head outside to the shed, unlock it with the key, and interact with the power box to switch it on.
Return to Etienne’s office and click the wall plug to reveal a hidden button.
Press the button to open the passage behind the bookshelf. Lucien’s dossier confirms he was in the office during the murder, which matches this route.
Image credit: Roblox

With the passage open, enter Secret passage as the fourth answer.


Submit and confirm the chapter is complete

Once all four fields read Blackmail, Lucien, Luzinete, and Secret passage, press Submit Report. You know it worked when the case closes, and the game awards the “Chapter 2 – Charles’ Case” badge.

If submission fails, the usual cause is an unread clue or a mismatched answer. Make sure you opened the safe with 1200, read both wills, and actually opened the bookshelf passage, since the entry-method answer depends on activating the shed power box first. You can start the case yourself from the game’s page on Roblox.