The victims were elderly people from nursing homes.
Nurse Elizabeth Tracy Mei Wettlaufer accused in the killings of 8 older people in nursing homes in the canadian province of Ontario.
The prosecution believes that the nurse had done the killing for 7 years.
The chief of police of the city of Woodstock, Ontario William Renton said that 49-year-old woman is charged with first-degree murder by a medication that is available in nursing homes.
It is noted that the victims were from 75 to 96 years.
