REPUBLIKA.CO.ID, JAKARTA -- Indonesia indeed experienced economic growth, but the gaps among the societies remained high. Economical gaps triggered more sadistic crimes in Indonesia, said a Sosiologist from Gadjah Mada University (UGM) Sunyoto Usman.

"Let's see how many full-booked restaurants in Ramadan. But only certain people might enjoy it. It means the gaps were very big," said Sunyoto to Republika.co.id on Tuesday (June 13).

In the middle of high economic gaps, the Indonesian society really hope to buy many products. The products were very easy to enter Indonesia. The result is that the hope did not supported by sufficient economic power and triggered crimes.

"This is how the country come to set people's expectation not to be too high. High expectation would make people desperate, whatever could be done to meet it even the forbidden (not halal)," said Sunyoto.

Previously, two robberies with gun happened within the last five days. The first case were happened in a fuel station in Daan Mogot, Jakarta on Friday (June 9) where Davidson became the victim.

The last case stroke Italia Chandra Kirana Putri. She was shot by robber in Bugel Indah Regency, Karawaci, Tangerang, on Monday (June 12).