Sixty-one suspects have been arrested with 145 firearms and almost 9,000 rounds of ammunition seized as part of a nationwide operation to stamp out the online illegal arms trade.
There has been no shortage of complaints about financial scams in recent years, ranging from selling non-existent products to promising to double the money for prospective investors in a short time.
A former senior police officer who had been imprisoned twice has been arrested in Bangkok in connection with fraud at a gold shop and a currency exchange.
A 58-year-old Malaysian man was arrested in Bangkok on Wednesday for alleged worldwide wildlife trafficking and will be extradited to the United States, police said.