New Delhi, Nov. 13 -- A hijack threat note found in the toilet of a Kolkata-Mumbai flight on Wednesday was written by a 56-year-old passenger who has claimed he wanted to skip an overseas posting by his employer so that he could take care of his ailing wife, police said on Thursday. The man was identified as the author of the note after passengers were made to take a handwriting test at Netaji Subhas Chandra Bose International Airport in Kolkata, where Air India flight AI 2772 was held up for several hours after the security scare. "The passenger who was to fly to Mumbai was handed over to the airport police after his handwriting matched with that on the threat note," an official aware of the matter told HT. The resident of Sodepur in North...