National Police Commissioner says snatching have increased in the past few years.
The number of foreigners who have committed crimes in the capital has decreased.
Police in Ratanakkiri seek to arrest a suspect over the rape and murder of a 20-year-old woman on a rubber plantation.
There were 376 crimes committed by 1,771 foreigners across the Kingdom in 2017.
China stands in solidarity with Cambodian authorities arrest Chinese committing crimes.
National Police holds report an increase in the number of foreign victims of crimes.
Military police last year dealt with 4,917 cases included 1,997 felonies.
The Thai government provides Cambodia with 38 million baht ($1.1M) to construct the treatment centre for drug addicts.
Foreigners are involved in 216 crimes and were victims in almost 200 cases.