KUALA LUMPUR – Jepak Holdings Sdn Bhd’s Saidi Abang Samsudin and Rayyan Radzwill Abdullah has threatened to expose former prime minister Datuk Seri Najib Razak and his wife Datin Seri Rosmah Mansor’s role in the RM1.25 billion Sarawak solar power project for himself, Court witness said in the trial. former Education Ministry secretary general Tan Sri Madinah Mohamad said Rayyan …