Thailand's anti-corruption committee is investigating Prime Minister Paetongtarn Shinawatra following her suspension from office. This development follows the leak of a phone call between Paetongtarn and Cambodia's Hun Sen, which has triggered a series of events with potential implications for Thai politics. Meanwhile, former Prime Minister Thaksin Shinawatra, Paetongtarn's father, has appeared in court to defend himself against royal defamation charges that could result in a 15-year prison sentence. The criminal court is expected to announce its verdict on Thaksin's lese-majeste case on August 22, coinciding with the second anniversary of his return to Thailand. The case originated after the military junta that ousted his sister, former Prime Minister Yingluck Shinawatra, initiated the charges.