The criminal action of terrorism is every people of which intentionally use
violence or the intimidation of violence that emerge the terror climate or the
frightening feeling towards the people extensively or caused massive victims by
seizing the impendence or death and other person’s property, or caused any
destruction or damage toward strategic vital object or life environment or public
or international facilities. By the establishment of the Laws Number 15 of 2003 on
the Elimination of Terrorism Criminal Action, thus significantly the government
of Republic of Indonesia conducts war towards terrorism. In addition of the Laws
Number 15 of 2003 on the Elimination of Terrorism Criminal Action, Indonesia
also has Special Department that is the Particular Unit of Indonesia Police Force
to overwhelm terrorist in Indonesia of which was validated by the Head of
Regional Police of Metro Jaya Inspector General Firman Gani in August 26th of
2004. The method of research conducted in this legal research was using
normative legal research; it was used secondary data as primary data by the shape
of regulation, books, literature, the result of research, and through interview to
source persons. The result of research gained is the efforts of Indonesia Police
Force to overcome the terrorism criminal action is the preventive, preemptive
efforts, and repressive efforts. The barriers faced by Indonesia Police Force in
overwhelming terrorism criminal action, i.e. the group of terrorists in hiding
having mutual mix to the society thus this matter brings difficulties to the
members of Police Force to conduct initial detection towards the perpetrator. In
daily life, they always mix to the society, thus the apparatus feel difficult in
differentiating. The terrorist always move into wherever place in short period. The
terrorist always look for shelter in religious organization of which exists in social
environment. The existence of propaganda behalf of the perpetrator concerning on
the activity of terror is an official terror activity and corrected by God. The web of
terrorism is indicated as coordinated in international regional scale.