Thai police have declared Bangkok's worst-ever bombing solved, even as questions grow over the investigation, the alleged culprits and their claimed motives.
In a televised address on Monday, authorities said two suspects already in custody had now confessed to carrying out the deadly August 17 blast at the Erawan shrine, in revenge for an official crackdown on human trafficking gangs.
The announcement is the latest twist in the aftermath of an attack the government has been at pains to avoid styling as international terrorism, even though many of the suspects are foreigners and more than two-thirds of the 20 dead were overseas nationals.
Adem Karadag, who is now accused of being the man in the yellow T-shirt caught by security cameras dumping his rucksack at the shrine shortly before the explosion, was detained late last month, but was initially suspected of being an accomplice rather than the bomber.
Police gave an account of a network of at least 17 people whom they said helped plot, prepare and plant the bomb at a landmark that is located in the heart of Bangkok's business district and is popular with tourists from around Asia. Thailand's ruling junta also proclaimed the investigation complete, thanking the public efforts that helped lead to the "perpetrators being brought to justice."