A woman has been found guilty of murdering her 91-year-old grandmother after swapping her pills with ones prescribed to her uncle, who died from cancer. Alaine Dawn Sturniolo, 39, was convicted of murder in the WA Supreme Court on Tuesday, following a three-week trial over the January 2012 death of Dawn Baldwin. Sturniolo's uncle lost his battle with cancer in June 2011 and the mother-of-two used his morphine medication to poison her elderly grandmother, ABC reported. Ms Baldwin died seven days after she collapsed at her house in Wembley Downs, Perth. Alaine Dawn Sturniolo (pictured),...