With no explanation, chose the best option from "A", "B", "C" or "D". Agent Michael Pettry of the FBI, took charge of Mr. Salazar and transported him to Topeka, Kansas, for a court appearance. Prior to the trip Agent Pettry inquired of the Lenexa officers whether Mr. Salazar had been advised of and had invoked his right to remain silent and was told that Mr. Salazar had been advised of his rights but had not asserted his right to remain silent. During the trip to Topeka, Officer Jones advised Mr. Salazar of his rights under Miranda, and Mr. Salazar stated that he understood and waived them. He then confessed to having sold approximately ten pounds of methamphetamines over the previous two-year period. DISCUSSION A. We review the facts underlying a district court’s denial of a motion to suppress in the light most favorable to the governme Cir.1998) (<HOLDING>); United States v. Ludwig, 10 F.3d 1523,

A: holding that probable cause exists once drug detection dog alerts on closed container
B: holding that magistrate must have substantial basis for concluding that probable cause exists
C: holding that because of officers experience detection of the smell of cocaine smoke reliably supported a probable cause determination
D: holding that once probable cause is established officer is not required to investigate further
A.