Urgent Help: Fraud Investigation on Messenger

I require immediate assistance to tackle a serious issue. A person on Facebook Messenger took a video of me and sent it to my family, attempting to solicit money. I need both technical and legal assistance to handle this matter appropriately.

Key Objectives:
- Identifying the individual responsible for this incident
- Gathering evidence for potential legal action
- Implementing measures to prevent further occurrences

Ideal Candidates:
- Experience in cybercrime investigation
- Proficiency in legal matters concerning online fraud
- Familiarity with Facebook Messenger's platform and its security measures

Time is of the essence in this situation. Your prompt and professional assistance is greatly appreciated.