Answer to Question #184819 in Law for Claw Marks

Question #184819

Case study: the second floor

Johnny Perez is a night manager of Orbitz Hotel. It was reported in the ManCom meetings that theft in guestrooms was on the rise (mainly in second floor guestrooms). No other floors were affected.

The CCTV cameras footages and Vingcard computer records showed not unusual or irregular entry in the involved guestrooms.

After 12 midnight, the lights in the perimeter gardens (surrounded by lot of coconut trees) were dimmed but roving guards were always present. The profile of typical victims were foreign guests staying for 3-4 nights, all billeted in the second floor, and theft would occur on the eve of the checkout date.

Discuss the modus operandi and the detection strategy employed.

Expert's answer

One of the most challenging difficulties of criminal investigation were detecting repeat offenders. The linking of offenses committed by the same perpetrator would improve the efficacy and safety of police officers. Previous studies on crime correlation focused on the criminal features of modus operandi (M.O.) but did not address the crime process. In this article, we have proposed a method for detecting repeat robberies by integrating criminal intelligence based on M.O. criminals. To derive the behavior and object characteristics of the crime process, a complex time warping technique identical to these characteristics was adopted, and a knowledge entropy approach was used to weigh the similarity of action and object characteristics in order to produce a full, similar method. After adding information about the crime process, a real-world robbery dataset is used to measure the success of the serial crime finding. According to the conclusions, the content from the case narrative text pertaining to the criminal process is considerably distinct and better suited to characterizing the offender's MO. Five machine learning algorithms are used to differentiate case pairs and classify serial cases and non-serial cases. Based on the features of the situation, the results show that including further information on the crime process would have a substantial effect on understanding serial criminals.

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