According to the search warrant:
On July 17th, Detective Jerold White obtained a court order for the defendant's cell phone records (407-619-9286). Inspection of these records show no numbers belonging to a Zenaida Fernandez-Gonzalez, Jeffrey Hopkins (in Jacksonville, Florida), or Juliette Lewis. As to the "private phone call" received on July 15th around 1200 hrs where the defendant claims to have spoken with Caylee, there is no incoming call to her cell phone at that time. The closest two incoming phone calls to her phone came in at 0013 hrs from Anthony Lazzaro and the next at 1535 hrs from someone named "Kyle".