KUALA LUMPUR, Malaysia — The search for Flight 370 turned into a criminal investigation on Saturday, after Malaysia declared that the plane had been deliberately diverted and then flown for as long as seven hours toward an unknown point far from its scheduled route of Kuala Lumpur to Beijing.
As part of the investigation, police officers were seen Saturday going to the home of the flight’s pilot, Zaharie Ahmad Shah, in a gated compound, and the Malaysian news media reported that a search had taken place….
