Court ordered DNA testing for paternity is a search under the Fourth Amendment, but it is reasonable. L.J.D. v. M.V.S, 2017 La. App. LEXIS 107 n.8 (La.App. 1 Cir. Jan. 25, 2017).
The police knew three weeks ahead of time that defendant was dealing heroin from a hotel room, and they took their time raiding the room. By the time they did, it was with exigent circumstances. The delay is pertinent to the inquiry, but not absolute. State v. Massua, 2016 N.H. LEXIS 261 (Oct. 17, 2016).*