Oklahoma teen killed half sister, great-grandmother within day of each other

A 19-year-old Oklahoma man killed his 16-year-old half sister within a day of killing his 74-year-old great-grandmother in another county, authorities allege. Michael Devin Stanley, of Skiatook, was charged with first-degree murder Friday for the gruesome killing of his 16-year-old half sister, Larisa Lea Fraley, who was found Tuesday morning in a pool of blood after being stabbed several times in a van, the Tulsa World reports.

http://www.nydailynews.com/news/national/man-kills-sister-great-grandmother-police-article-1.1599126