Suspect also allegedly grabbed her wallet containing 9,000 yen in cash
TokyoReporter
Perpetrator was wearing a beige coat and a white breathing mask, police said
Investigators found blood stains that seemed to be from the victim on a wall near a futon
Suspect said, 'I used a lighter to start the fire'
Officers arriving at the residence in Yokohama City found the man's corpse in the bathtub
Suspect said, 'After my mother died on May 18, I didn't know what to do'
Pair wore masks in the robbery of 7 million yen in Japanese and U.S. currency on May 12
Victim was falsely told that her 'bank cards were being abused'
Suspect said, 'I fondled the body of a woman who could not fend me off'
Case is being treated as murder