The function of exhibit in the criminal justice process is is very importantl, namely as a
means of proof to substantiate the belief of the judge in examining and decide a case.
Investigators as one of the law enforcement officer shall execute his responsibilities
properly and in accordance with existing procedures. Police investigators have a
responsibility towards the security and the integrity of the evidence. The purpose of this
research was based on the formulation of a problem is to find out the responsibility of the
police investigators against exhibit in Yogyakarta regional police and what sanctions are
imposed for police investigators who use exhibits a criminal offense. This type of research
is a kind of normative legal research. Based on the results of the research, it can be
concluded that the police investigator a responsibility to care exhibit is to maintain the
integrity of the exhibit obtained, by way of immediately leave the exhibit to the official the
Official maintainer of the exhibits within 1 x 24 hours. If the police investigators do not
carry out their responsibilities, then there will be the sanction given.