I have a question for any Legal Professionals here. Reading these news stories it sounds like warrants can be very invasive but that there is no advocate for t

I have a question for any Legal Professionals here. Reading these news stories it sounds like warrants can be very invasive but that there is no advocate for the target of the warrant involved in the process. What protections for the target are there in the process of obtaining a warrant, given the serving of one can be so invasive and damaging?