FORT WORTH, Texas _ For decades, Fort Worth police had been looking in the right places to find the person they suspected killed Carla Walker: They had found men connected to purchases of .22 Rugers, the weapon involved in the abduction of Walker from a bowling alley's parking lot. They had tested her clothing for DNA multiple times. They had even interviewed the man taken into custody Monday for the capital murder of Walker, Glen McCurley, less than two months after she was killed.
Yet none of that information had brought the police department close enough to making an arrest. How did they finally make a breakthrough on the grisly murder case of a 17-year-old that has roiled Walker's family and Fort Worth since 1974? It is all about advancements in DNA testing. An extraction of DNA tested from Walker's bra this year revealed more data than the police had ever recovered.
"When we tested before you don't always get a full profile. This time we got a full profile," said detective Leah Wagner. "And that allowed us more options to seek who this coul
