a warrant impracticable. McNairy v. State, 835 S.W.2d 101, 106 (Tex.Crim.App.1991). Exigent circumstances that may excuse an otherwise unconstitutional intrusion into a home include (1) the need to aid persons reasonably believed to require assistance, (2) the possible destruction of evidence, and (3) the need to protect officers or others from perceived danger. Id. at 107. Here, appellant does not contest that the officers had probable cause to enter the house. Rather, appellant contends exigent circumstances did not justify the warrant-less entry. Alternatively, appellant maintains that any exigency to enter the house was created by the officers revealing themselves to appellant prior to obtaining a search warrant. See United States v. Munoz-Guerra, 788 F.2d 295, 298 (5th Cir.1986) (<HOLDING>). Assuming, without deciding, that the
holding that officers cannot base a warrantless search on an exigent circumstance of their own creation holding that absent consent or exigent circumstances law enforcement officers cannot legally search for the subject of an arrest warrant in the home of a third party without first obtaining a search warrant recognizing exigent circumstance exception to warrant requirement holding that the threat of imminent destruction of evidence of criminal activity created an exigent circumstance holding that accident investigation by itself is not exigent circumstance