Investigating the gruesome murder scenes scattered across Gotham City forms one of the most compelling side quests in Batman: Arkham Knight. The Most Wanted mission titled The Perfect Crime challenges players to locate six victims left tied to structures while opera music echoes nearby. By carefully scanning each body using the deep-tissue Deep Tissue Scanner, Batman can uncover key clues that reveal the twisted motives behind these unsettling displays.

Locating the Early Victims on Bleake and Miagani Islands

The investigation begins on Bleake Island, where players encounter the first victim tied to a rooftop near the Merchant Bridge. Listening for the distinct sound of opera music usually alerts you to a body's nearby location. Utilizing the detective scanner allows Batman to examine skin, muscle, and bone layers to identify critical anatomical evidence.

As you gain access to Miagani Island, two more crime scenes become accessible near Grand Avenue and Heavenly Gardens. Each victim presents unique evidence, ranging from artificial joint replacements to unique birthmarks that help establish the victim's identity. Scanning these markers correctly builds a profile that eventually leads straight to the perpetrator.

Uncovering the Remaining Crime Scenes on Founders Island

Progressing further into the campaign unlocks Founders Island, where the final three victims are hidden among industrial structures and construction areas. One body is located on a wall near Ryker Heights, while another rests on a balcony overlooking the water. Thoroughly examining these final remains reveals a pattern connecting all six victims to an infamous villain.

The last crime scene provides the final piece of the puzzle, allowing Alfred to synthesize the data and pinpoint the killer's operational base. Each location requires scanning three distinct anatomical layers to successfully complete the site analysis. Skipping any layer will prevent the story from moving forward to the final confrontation.

Confronting Professor Pyg at Pretty Doll Parlor

Once all six crime scenes have been fully analyzed, Batman tracks the origin of the victims to the Pretty Doll Parlor in Ryker Heights. Entering this eerie facility leads to a high-stakes battle against Professor Pyg and his mind-controlled Dollotrons. Defeating these resilient foes requires heavy reliance on ground takedowns and environmental hazards.

To stop Professor Pyg, players must destroy his operating table after clearing out the surrounding minions. Successfully apprehending Pyg completes The Perfect Crime mission line and delivers another dangerous criminal to GCPD custody. Completing this storyline adds significant progress toward unlocking the true Knightfall ending.