BURNET COUNTY, Texas (KXAN) - In a gated community on the outskirts of Marble Falls, visitors need another gate code to get into Sandy and Bobby Doyal's home. A long gravel driveway leads to the top of a hill where the couple built their dream home. It was a place they felt was quiet and secure -- until April 14, 2009. "I had told Bobby that day that I felt safe here," said Sandy, a local nurse. After the two went to bed, their dog started barking. Sandy, 49, woke and heard a noise inside the dark house that was...