Reporting personal theft can be a 'protected activity'.

Typically, whistleblower laws protect employees if they speak out against some sort of violation committed by their employers. In this case, a dental hygienist reported to police that her phone and wedding ring were stolen at work. Her boss had discouraged her from making the call. She was fired because the investigation was creating a fuss at work. She sued for retaliation and won $117,000. The court said reporting a workplace theft...