Police are investigating a "possible domestic battery," the Orlando Sentinel reports. No significant injuries were reported, police said, according to the report.
Shellie Zimmerman has also had trouble with the law. On Aug. 28, she pleaded guilty to misdemeanor perjury and was sentenced to one year of probation. She had been accused of lying about the couple's financial situation when she testified at George Zimmerman's bond hearing in June 2012.