The murders of four teenage girls have haunted Austin, Texas, for more than 30 years. Could new information lead to a killer? "48 Hours" correspondent Erin Moriarty reports.
This week on "Face the Nation with Margaret Brennan," Ukrainian Ambassador Oksana Markarova joins to discuss President Trump’s announcement that he will meet with Russian President Vladimir Putin in Alaska on Aug. 15, as he continues to push for a ceasefire deal between Russia and Ukraine. NATO Secretary General Mark Rutte also joins to break down how a peace deal might impact European security.
