ALTOONA, Pa. >> After a hike through one of Japan’s lush mountain ranges earlier this year, Luigi Mangione, a computer engineer in his mid-20s who had set off on a long solo trip to Asia, paused to record a voice message to a friend.
Making his way that day along a river gorge in the Nara region, Mangione had fled his day-to-day life in Hawaii to soak in hot springs, meditate, catch up on books and do some writing of his own.
“I want some time to Zen out,” Mangione said in the recorded message on April 27…