Missing Malaysian Plane: Changes in behavioral patterns of Pilot!

The Malaysian plane with 239 people on board is still untraced and now the investigators have been focusing on the pilots as the one who is well-trained to disable the signalling systems alone could hijack the plane.

It came to the notice that missing Malaysian plane Captain Zaharie Ahmed Shah had showed changes in behavioral patterns before entering the flight on that particular day.

1) The way he greeted the security guards outside his residence. He normally wishes the guards with a Muslim style of salutation, which is like saying salam to them. On that particular night, he saluted the guards in military style.

2) He used his BMW 5 series car to go to airport instead of taking the airline cab. He left for the airport 20 minutes before the airline cab arrived to his residence.

3) He was accompanied by his wife but she didn't return home that night. She came back at 10 am the next morning.