Sara flees from Abel and calls Rodolfo, who has left his cell phone at home. Cesar picks up, and rushes over to Sara's house with his gun. He finds Abel strangling Sara and shoots him once through the skull, killing him.

Whose skull is at the end of who killed Sara?

However, the circumstances of the murder remain unclear as Cesar, who Alex suspects of killing his sister, claims that he did it to save Sara's life. Near the end of season 2, it is finally revealed that the body unearthed from Alex's house is that of Sara's mentally disturbed father, Abel.

Who killed Sara crazy Sara?

Sara had a horrific past

He then takes a temporary break from solving her murder and visits Sara's former psychiatrist, Dr. Alanis, who informs Álex of Sara's past mental health struggles. According to Dr. Alanis, Sara was both schizophrenic and a harmful sociopath.