In November 2012, the stalker murder occurred in a local city of Japan. Because the victim married, and changed her address, the perpetrators man was not able to know the detailed address. The perpetrator man asked to get her detailed address to the executive of research firm. The executive was pretending to be victim's husband and made a phone call to the local government and got her exact address. The executive was arrested in January 2014. Only one personal information leakage from a local government led to the murder. Personal information leakage was developed into a murder case, probably, this is the first computer crime in its history. Staff of the local government have stated that there is no memory that he taught personal information over the telephone inquiry, the truth is unknown. Staff of local government said that there is no memory to divulging information. Because the executive has retained a large amount of personal information and has made the frequent telephone calls, he has likely made full use of the advanced elicitation. The executive has retained a large amount of personal information, so probably, he has used elicitation techniques. This paper introduces elicitation and examines an education and training for the countermeasure of elicitation.