Complex sentence: As the current District Attorney, Susan Reed investigated the claims of wrongful conviction in the Cantu case and concluded that Cantu was justifiably executed in 1993 and that "no" credible evidence existed to support the witnesses' claims of innocence.
Split into simpler sentences: As the current District Attorney, Susan Reed investigated the claims of wrongful conviction in the Cantu case. Her office concluded that Cantu was justifiably executed in 1993 and that "no" credible evidence existed to support the witnesses' claims of innocence.