Are CCTV cameras effective?

Related questions

1. Does CCTV camera work without light?
2. How do CCTV cameras work at night?
3. How do wireless CCTV cameras get power?
4. How much does it cost to have CCTV installed at home?
5. Does a CCTV camera record sound?
6. How much does home camera cost?
7. Do I need WiFi for security cameras?
8. Do we need CCTV cameras?
9. Is it legal to have CCTV with audio?
10. Can I install CCTV on my property?

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22. #started