Ex Parte Eureste

*215OPINION

ONION, Presiding Judge.

These proceedings involved an original application for writ of habeas corpus filed in this Court.

In March of 1985 the Grand Jury in the 144th District Court of Bexar County was investigating possible violations of the state election laws. Applicant, at the time, was a city councilman for the City of San Antonio. He was an apparent focus of the grand jury’s investigation. The grand jury issued a subpoena duces tecum which ordered applicant to appear before the grand jury and to bring with him certain records which applicant was required to keep under the Texas…