It's been determined that Casey Anthony's brother Lee isn't Caylee's father -- but who is? Will the defense use the unknown man to cast doubt in the Casey Anthony trial?

It's official. Newly released F.B.I. documents from the Casey Anthony case conclude Lee Anthony is not the father of little Caylee.

It's no wonder the F.B.I. wanted to rule Lee out being Caylee's dad. Casey's explanation of Caylee's paternity had always been attributed to Jesus Ortiz, a 21-year-old killed in a car crash. But no one had ever heard of him in her family. Was Jesus Ortiz just another name plucked from the thin air -- similar to the selection of the name Zanaida Gonzalez for the non-existent nanny?

Hints of incest in the Anthony family was another reason for the suspicions Lee was a daddy.  Allegedly, Casey told both her former fiance Jesse Grund and her former boyfriend Ricardo Morales that Lee made unwanted advances when they were both teenagers. 

Before the results were made public, many following the case said the possiblity of incest helped make sense of the bizarre behavior of the Anthony family:

"As for the incest story ... it sure would explain a lot of Casey's behavior, the lies for one," writes one armchair detective on a Casey Anthony message board. "Her sociopathic behavior. And why Cindy is going to such lengths to protect her. Denial would have been something Cindy's been used to dealing with, denying her children are having sex."

Others believed Caylee is a hybrid of names Casey and Lee.

With the paternity of Caylee still a mystery, some speculate the defense will use the unknown father as a possible suspect in the toddler's murder.

Do you believe the defense will try to pin Caylee's murder on Caylee's unknown father?

Boyfriend Wiretap	Casey Cries	Casey Interview	Casey Texts
Meter Reader	Hoover Interview	Redacted Statements	Text Messages

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