Then this today: 08:28 AMKoh Tao probe gets new chief

Sure, you always appoint a new Chief Investigator when an arrest is imminent, makes a lot of sense.

Koh Tao probe gets new chief | Bangkok Post: news

From the above ""We're confident that within two or three days we'll be able to obtain an arrest warrant and arrest the suspects who are among the shortlisted 10 Thai and Myanmar workers we're now focusing on," said Pol...

Yep, it will be pushed off onto some poor Burmese or low level Thai schmuck.