By Jen Heger - Breaking Celebrity News Legal Editor

There appears to be yet another mystery in the Rebecca Zahau death case, involving an unknown set of footprints on the balcony that cops claimed Rebecca jumped to her death from, Breaking Celebrity News is exclusively reporting. Rebecca's family refuses to accept that she killed herself, and have asked authorities to re-open the case.

Rebecca’s naked body was found hanging from the balcony at her billionaire boyfriend Jonah Shacknai's mansion in Coronado, CA. (a suburb of San Diego), two days after his son, Max, 6, was found unconscious at the base of the stairs. Max later died from his injuries.

Dr. Maurice Godwin, a forensic expert hired by the Zahau family, reveals exclusively to Breaking Celebrity News that there is a mysterious set of footprints on the balcony that are unaccounted for.

The San Diego Sheriff's Department has previously said that there were an extra set of footprints on the balcony, but they were from one of their own officers.

But, according to Godwin’s examination, there was ANOTHER set under the supposed officer’s footprints: "It appears to me that the officer stepped on top of another print based on this photograph. This indicates that a second person was on the balcony with