(CBS/AP) HOUSTON - Officials say Ana Lilia Trujillo, a 44-year-old Houston woman accused of stabbing her boyfriend to death with a stiletto high heel, told police she was trying to protect herself.

There’s no mistaking the sound of a stiletto heel on pavement. It’s between a click and a clack, and hints at anticipation: Someone is coming, and that someone can balance on a 5-inch, leather-covered ...