Police found what appeared to be a gun inside a vehicle where he was found with a wound to the head
TokyoReporter
Suspects are believed to have been collecting their father's pension since last December
Police found the skeletal remains lying face-up inside a room on the second floor of the residence
Body was clothed only in green pants, police said
Body was clothed in a blue shirt, blue jeans and sports shoes
No personal articles were found at the scene
Resident of the building heard a loud sound just before finding the man collapsed outside
Man said that reporting his mother's death 'was a hassle'
Suspect said, 'I wanted to see her surprised reaction'
Manager of Kameari Kadoebi said, ‘This is how we do business’