There are many reasons why you'd be asking? How can I spy on a Blackberry phone?. Usually they revolve around similar questions like the following that may sound familiar to you? ? How can I spy on my husband's cell phone' or?how can I see who my wife is text messaging'. Let's face it, you are only asking such questions because you're being faced with a matter of trust. Perhaps it is because you suspect cheating by your partner, or because you think an employee is stealing from the company or you just want to maintain an eye on who your adolescent son or daughter is hanging around with? I've known families who've intervened to the extent of reporting their own teenage children to the cops when they found out that they have been getting involved with drug dealers, for example.