AN NUS law professor is under investigation by the Corrupt Practices Investigation Bureau (CPIB) for allegedly being involved in a sex-for-grades deal with a female undergrad. The New Paper understands the professor who teaches at the National University of Singapore Faculty of Law was arrested in April and is now out on bail. In order to ace her paper, the student implicated in the probe allegedly struck a deal with her professor to have sex with him. She is said to have had sex with him on multiple occasions. Read the full story in The New Paper on Wednesday (July 25).