Who killed baby Brianna?

Baby Brianna, a 5-month-old infant from New Mexico, was killed in 2002 by her mother, Sally A. M. McCarty, and her mother's boyfriend, Christopher D. Rodriguez. They subjected her to severe abuse, leading to her death from blunt force trauma. Both were charged with murder; McCarty received a 27-year sentence, while Rodriguez was sentenced to 30 years. The case drew significant media attention and highlighted issues of child abuse.