How to report fraudulent activity

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Tonivk69
Tonivk69 Posts: 1
edited May 2022 in General questions

I received a phone call from someone on May 5 2022 stating they were Facebook security they had me install this app and they got into my phone. How do I report this and not allow them access any longer. My Facebook was hacked and I can't eben log in what info did they get off my phone.