​Pinal County Superior Court Judge Robert Carter Olson today unsealed the search warrant and other documents in a criminal investigation into a campaign finance scandal linked to the Maricopa County Sheriff's Office -- pulling back the curtain, in part, on an investigation that is clearly both active and serious.Olson acted at the request of this newspaper, which filed a motion to intervene in the six-month-old case last week. Though the documents have previously been sealed by court order