Elizabeth Wettlaufer is a former nurse from Canada who was convicted of murdering eight elderly patients in her care. She worked at several long-term care facilities in Ontario and committed these crimes between 2007 and 2014. In 2016, Wettlaufer confessed to the murders, stating that she injected her victims with insulin. Her actions raised significant concerns about the safety and oversight of nursing homes in Canada, leading to investigations and calls for reforms in the healthcare system to better protect vulnerable patients.