Police are now turning to agencies at multiple levels to try to extract video from Shellie Zimmerman's iPad, including the Secret Service.

The iPad was broken when George Zimmerman smashed it during a domestic incident last week.

The Zimmermans are divorcing, and the heated argument was over separating belongings.

Shellie Zimmerman called 911, saying her husband had a gun and punched her father in the nose. Police came, but Shellie decided not to press charges. No gun was actually used in the incident.

Shellie said she took video on the iPad that shows the confrontation with George Zimmerman and would help police determine who, if anyone, needs to be charged with the fight, including Shellie, herself.

However, police and the Seminole County Sheriff's Office have not been able to extract the video from the broken tablet.

Police are now asking for help from up to five agencies -- one of them is the Secret Service. Police will not elaborate on who is helping.