
Pol Maj Gen Chamnarn Ruedrew, deputy commander of Chiang Mai police, said yesterday that police had received intelligence from suspects arrested earlier in the province that Thongchai Piyaparb, 21, and Mattawan Kanjina, 22, both locals, were involved in selling drugs to youths.
The two suspects were caught on Monday with 125 yaba pills in their possession.
Mattawan told police that they took and placed orders via Facebook and the free Line messaging service.
Police apprehended the nine other suspects by baiting them in those social networks.
Chamnarn said the suspects used the aliases Namnueng Jaidiewkan and Kaengjued Rodped to register for Facebook and sent coded messages to conduct their business.