The reason as to why you would require a password retrieval session, or an internet surveillance service is highly dependant on your situation as it is hard to answer in general. In the past, we have successfully conducted investigations on cases involving:

  Identifying Cyber Stalkers
  Online Infidelity (Cheating Spouses)
  Employee Theft
  Cyber harassment
  Internet Surveillance
  Password Recovery
  Internet Security Audit
  Identity Theft
  Background Search
  Online Fraud Investigations
  EBay (Online Auction) Fraud
  Child Predators and Pornography
  And Many, Many More....

Choose the service that best suits your needs !