Earlier quoted context omitted.
Ok let's say they have some evidence that is sufficient to create reasonable suspicion, but probably insufficient to secure a conviction. Why would it be wrong for the FBI, under the supervision of a court order, to tap this person's phone to see if he is the killer? Keep in mind this is not a broad NSA dragnet here. This would be a targeted wiretap driven by probable cause and governed by the federal rules of eviden…
"under the supervision of a court order" A court order is not a warrant. This is the heart of the discussion you are trying to get into. The 4th amendment is very clear: "The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated, and no Warrants shall issue, but upon probable cause, supported by Oath or affirmation, and partic…
The opinion that kicked off this sub-thread is that all wiretaps should be illegal. "All." That would also eliminate wiretaps that would be authorized under a warrant.