Here's the Seattle GRE take on this:
WSP jars gun dealers, sets off firestorm, ATF ‘not consulted'
A detective with the Washington State Patrol ignited a firestorm yesterday when licensed gun dealers across the Evergreen State received a letter asking for documents listing sales of any AR-15 rifle over the past nine months, along with the names and personal information of people who bought those guns.
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wow... Either one really dumb detective or ATF is playing really dumb.