My name is XXXXX XXXXX I'd be happy to answer your questions today. I'm sorry to hear that this happened.
HIPPA applies only to medical professionals, including doctors and insurance
companies. It would not apply to a police officer. Police officers typically have immunity from suit for things that occur within the course of their duties. That means that, to recover, you would have to be able to establish that he exceeded the scope of his duties.
When a person makes an untrue statement of fact to a third party, that person may be liable for defamation
of character. When the matter is one of public concern, the plaintiff must also show that the person who spoke either knew the statement was false or showed a reckless disregard of whether the statement was true or false. This is a heightened standard. If the statements were that your son could pose a danger to others, that is a likely matter of public concern. The plaintiff would be your son in this scenario.
These cases can be complicated. You may want to see if you can find a local attorney to help. Most lawyers take these cases on contingency - you would only have to pay if you won.
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