OKLAHOMA CITY (AP) — Court records show that investigators believe a private detective hired by a longtime Texas political consultant placed a tracker on an Oklahoma legislator's vehicle.

The Oklahoman reports that the consultant, 70-year-old George C. Shipley, has been subpoenaed to appear in an Oklahoma court next week "to provide testimony."

He was also ordered to bring business records on who hired him to research Republican Rep. Mark McBride, who discovered the tracking device in December.

An Oklahoma State Bureau of Investigation affidavit says McBride alleges he was told a "wind group"...