Suspects allegedly shoved Junko Himeno down a flight of stairs inside her residence in April
Man in custody over fatal Funabashi fire further accused of working with mother to murder her sister
Suspects allegedly shoved Junko Himeno down a flight of stairs inside her residence in April
Suspect also accused of tying up his mother at her residence in Ichikawa just before leaving to start the fatal fire
Body of victim was found on the second floor of his residence in April
Police are investigating whether to accuse the woman of murder
Suspect burned the office of an NPO in Zama City to the ground in February
Motive for the crime is under investigation
Police believe Kunio Nishizawa was behind three fires that burned about 880 square meters of grass
Judge said the defendant had an 'excessive degree of disregard for life'
Couple was experiencing trouble in their relationship at the time of the fire, police said
Suspect said of one incident, 'I started the fire to relieve stress '