What your asking for is illegal, you should go the legal route instead and hire a private investigator which are legally required to do ethical investigations a

What your asking for is illegal, you should go the legal route instead and hire a private investigator which are legally required to do ethical investigations and are required to be licensed if required by the state you are in. With a private investigator they can get photographic/video proof that can be used in divorce/criminal court. They have been trained on what can be done legally. If you and your husband are on the bill for the phone company you can request a record of all SMS messages and calls from them. If you want to search his phone legally you would need a warrant. As if you do something illegal you might end up on the loosing end if you go to divorce court.