How can I track someones phone calls?

Related questions

1. Can I track my location history on iPhone?
2. What is Google Location History?
3. Does iPhone track your location?
4. Can you still be tracked if your location services are off?
5. Can your location be tracked when your phone is off?
6. How does Google track your location?
7. Can I track a cell phone location without them knowing?
8. Can someone trace my location?
9. Can someone see when you check their location on iPhone?

Tags

1. #tracking
2. #mobile
3. #phone
4. #seconds
5. #location
6. #internet
7. #track
8. #within
9. #results
10. #trackers
11. #connected
12. #phones
13. #coordinates
14. #locate
15. #number
16. #great