Five people killed after 21-year-old gunman 'shot dead family of three before shooting his own parents in Louisiana' as cops warn the suspect is still at large eight hours later
- Police say Dakota Theriot opened fire on Elizabeth Theriot, 50, and Keith Theriot, 50, in Ascension Parish, east of Baton Rouge on Saturday morning
- He then shot dead Billy Ernest, 43, Tanner Ernest, 17, and Summer Ernest, 20
- The 21-year-old is wanted for at least two counts of first-degree murder, illegal use of a weapon, and home invasion in connection to both shootings
- Authorities describe Theriot as 'armed and dangerous'