Forensic system, forensic method, and forensic program

A forensic method for acquiring digital information recorded in a plurality of computers and a server and analyzing the acquired digital information, comprising:

• a step of displaying a document group that includes a plurality of documents included in the digital information to a user;
• a step of receiving classification information assigned to a target document which is a document for determination of whether the document is related to a lawsuit by a user in the displayed document group, based on the determination of whether the document is related to the lawsuit by the user;
• a step of updating a score of each document corresponding to predetermined classification information based on a comparison result between a feature value of the target document of which the classification information is received and a feature value of each document in the document group;
• and
• a step of controlling a display order of the documents in the document group to be displayed by the display unit based on the updated scores.

A non-transitory computer-readable storage medium including computer executable instructions, wherein the instructions, when executed by a computer, cause the computer to perform a method for acquiring digital information recorded in a plurality of computers and a server and analyzing the acquired digital information, the method comprising:

• displaying a document group that includes a plurality of documents included in the digital information to a user;
• receiving classification information assigned to a target document which is a document for determination of whether the document is related to a lawsuit by a user in the displayed document group, based on the determination of whether the document is related to the lawsuit by the user;
• updating a score of each document corresponding to predetermined classification information based on a comparison result between a feature value of the target document of which the classification information is received and a feature value of each document in the document group;
• and
• controlling a display order of the documents in the document group to be displayed by the display unit based on the updated scores.