OKLAHOMA CITY — Authorities have been hunting for more than 24 hours for an Oklahoma man they say posted live videos to social media while running from police during a violent rampage that included shooting two police officers, armed car thefts and killing his aunt and uncle, apparently attempting to cut off their heads. Michael Dale Vance Jr., a 38-year-old man from Chandler, Oklahoma, is wanted on multiple charges, including two counts of first-degree murder. Police say he was last seen early Monday about 30 miles from the Texas border in western Oklahoma — 165 miles away from where the...