Boyd , a Republican , assumed office in 1995 .
Boyd , a Republican , is known for her controversial 2013 probation sentencing of Ethan Couch , a 16 - year - old who killed four people and injured 11 while driving drunk .
Boyd , a Republican , assumed office in 1995 , but is known for her controversial 2013 probation sentencing of Ethan Couch , a 16 - year - old who killed four people and injured 11 while driving drunk .