Elizabeth Wettlaufer tells officer how she chose one of her victims0:44'I knew the difference between right and wrong'Instead, Wettlaufer said she believed that either God or the devil wanted her to kill these people. That said, Wettlaufer told the detective that she understood that she was administering what would prove to be a lethal dose of insulin to eight people. Pickering received one-on-one care because she could be aggressive with other patients, Wettlaufer said. Elizabeth Wettlaufer would start 'cackling' after fatally injecting patients0:20DisclosureBut Wettlaufer tells the detective that she tried to stop killing. Elizabeth Wettlaufer apologizes to victims’ families in confession1:16Wettlaufer tells the detective that she feels both guilt and shame.

Source: CBC News June 02, 2017 09:00 UTC