forth the following facts.

¶4     In March of 2004, Crime Stoppers received an anonymous letter describing a

clandestine drug lab run by Dutton at his home, for which the writer provided the street

address. In July of 2004, Hight and another detective inquired at a local convenience store

where a store clerk told them a man named Doug came in and bought bottles of HEET and

two or three boxes of matches at a time. The clerk gave the detectives a vehicle license

number which they determined was registered to Dutton. On November 20, 2004, a Troy,

Montana, police officer filed a report stating Dutton had purchased--at three different stores

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on the same day--precursors needed to manufacture methamphetamine: two boxes of

pseudoephedrine, hydrogen peroxide, 4 boxes of matches and a bottle of HEET.

¶5    Several days after receiving that report, Hight researched property ownership records

in Lincoln County and obtained the address of real property and a trailer owned by Dutton,

which was the same address contained in the anonymous letter to Crime Stoppers. Two days

later, Hight was contacted by another officer who told him Dutton had purchased two boxes

of matches and a bottle of HEET at an area convenience store. On November 26, 2004,

Hight observed Dutton go into the local IGA store, where he