UPDATE (May 1, 2015 @ 8:55 p.m.):  Statement from Chief of Police David O. Brown:

“Due to the serious nature of the allegation, the testimony provided, and the fact that the alleged victim and witnesses work for the Mayor and City Council, the investigation of Councilmember Scott Griggs was referred to the Dallas County Grand Jury to ensure an independent and impartial review.” 

Chief David O. Brown

UPDATE (May 1, 2015 @6:16 p.m.): See additional information below as it relates to the Investigation of a Public Official.

On May 1, 2015, the Dallas Police Department submitted a Grand Jury referral regarding the criminal offense of Coercion of Public Servant, Felony 3, identifying Councilmember Scott Griggs as the suspect. It is alleged that Councilmember Griggs influenced or attempted to influence Assistant City Secretary Bilirae Johnson in the performance of her official duties.