One source said, 'He was completely obsessed with her'
TokyoReporter
Suspect borrowed the 7 million yen from the victim to funnel the cash into his mounting debts
Suspect said, 'When there's trouble, we'll be the ones to protect you'
Body was found wrapped by a rope tied to a rock measuring up to 30 centimeters in diameter
Suspect stated that he 'likes to secretly film things'
Deputy fire chief said, 'He lacked the awareness required of a public servant'
Hiroko Nagano said on Monday, 'My only wish is for the culprit to be caught as soon as possible'
Husband was found to have perished in the blaze
Investigators say Arisa Hosoda gained access to the confidential buyout plans through her position
Suspect is described as being between 20 and 40 years old