The war on terror can use acts like terrorism to target people, they can be a global threat and it’s difficult to determine the difference between them and a soldier.
I believe the roving wire tapes violates the fourth amendment because it’s violating someone’s privacy by having surveillance of them instead of their technology. This violates the fourth amendment because they are going out their way to invade someone’s privacy without renewing a warrant.
sneak and peek warrant violates the fourth amendment because the warrants doesn’t warn them before the search happens which is violating someone’s privacy. They don’t notify them they just show up.