A robbery occurred in a certain jurisdiction.Because the suspect has certain anti-investigation capabilities, the clues grasped by the criminal police have been interrupted again and again.But the criminal police were not discouraged, and did not forget their original intentions. They ran around the world day and night to investigate in depth, and then found new clues. The criminal police followed the clues and arrested the two robbers and brought them to justice. During the interrogation, the two confessed to the robbery.However, the criminal police did not close the case. Because they found that the main culprit was involved in a gambling case during the investigation, they confessed that they took risks and committed robbery because they owe huge amounts of gambling funds. The casino was set up on a tourist boat.The criminal police disguised himself as a boat to participate in gambling, and broke the gambling den with his inside and outside.