People keep wondering why and when they need to hire a private investigator. There is no definitive answer to this complex question simply because the circumstances of each case are distinctly different. Take for example the private life of a high ranking government official, maybe even a senator. There might be a reason why his spouse feels the need to do a background check on him. She will certainly realize that all his political ambitions might become mud, if it is revealed that his private life is not what others perceive it to be. Since she is considering divorce as an option, she needs to know the truth before she takes an extreme step.
It is at this precise juncture, that she should seek professional help in the form of a good private investigating agency. The decision to hire a private investigator is certainly an extreme help; once you make the decision there is certainly no going back. No husband is happy to know that he is being spied upon by his wife. If he gets to know about this, he would either retaliate by trying to hire his own professional help, or confront his spouse with relevant evidence. One of the factors that impact the decision to hire a private investigator is the level of confidentiality that a person tries to maintain in the whole exercise.
When speaking of surveillance of a particular person or a group of people, there are investigation agencies who boast of some of the most technologically advanced equipment to keep a watch on their subjects. Night surveillance cameras, infra-red sensors and detectors are just some of the equipment that is used. Most of this equipment is used with remote control devices that leave the subjects absolutely ignorant of the fact that they are being watched closely. Another point that is to be taken into consideration when you want to hire a private investigator is the credibility of the agency and also the track record of the same.
In the case of the former it is possible to ascertain the credibility of the organization by taking a close look at the license or certificate that authorizes them to set up an investigating agency. These licenses need to be approved by the federal and/or state governments. In the case of the latter, it would make a lot of sense for you to go through the case histories of their previous assignments. Most investigation agencies will be able to provide client references that you can cross check.
Of course, while trying to hire a private investigator, you do need to have a high level of trust. There is nopoint in doubting every single thing the PI does or says. You need to accept that he is bound by certain written and unwritten law that demands a high level of discretion and integrity.