.  Added by Acts 0000, 00th Leg., R.S., Ch. 00 (S.B. 0000), Sec. 0, eff. September 0, 0000. Amended by: Acts 0000, 00th Leg., R.S., Ch. 000 (H.B. 0000), Sec. 0, eff. June 0, 0000.   Sec. 000.000.  SILVER ALERT FOR MISSING SENIOR CITIZENS AND PERSONS WITH ALZHEIMER'S DISEASE.  With the cooperation of the Texas Department of Transportation, the office of the governor, and other appropriate law enforcement agencies in this state, the department shall develop and implement a statewide 