案情简要:2005年3月某日20时30分许,接到一男子报警称其妻子和妹妹在冲凉时倒在厕所内,120证实妻子已当场死亡,妹妹送医院抢救,生死未卜。现场勘查:尸体已被家属穿好衣服,仰卧于床上。现场为一工厂职工的出租屋,东西走向,中间为洗手间(约12平方米),东、西边为卧房,各有一木门与 Brief on the facts: At about 20:30 on March 2005, Xu received a man’s alarm that his wife and sister were lying in the toilet during the shower. 120 confirmed that his wife had died on the spot and her sister had been sent to the hospital for treatment. Site survey: The body has been dressed by family members, lying on the bed. The site for a factory workers rented room, east-west direction, the middle of the toilet (about 12 square meters), east and west for the bedroom, each with a wooden door