A jury found Calvin Millsap guilty of possession of cocaine. Millsap appeals, arguing that the evidence was insufficient to support his conviction, the trial court erred in permitting the testimony of Dr. Mary Jo Brasher concerning Millsap’s blood tests, and the trial court erred in making a waiver of Millsap’s Fourth Amendment rights a condition of probation. We find no error and affirm Millsap’s conviction. 1. Viewed in a light most favorable to support the jury’s verdict, the record shows that members of the Hall County Multi-Agency Narcotics Squad “MANS” received information that Millsap would be arriving at a designated location to make a cocaine sale. MANS agents familiar with Millsap arrived at the location and observed Millsap driving very slowly down the road. As the agents pulled behind Millsap, they noticed him looking in his rear-view mirror repeatedly and “abnormally.” The agents also observed Millsap put an object in his mouth. Millsap stopped his car at the end of the road, at which point the agents approached Millsap’s car. The agents noticed Millsap chewing something and saw an off-white residue in and around his lips, mouth and tongue. Both agents believed the substance to be crack cocaine based on their visual observations, as well as their experience and prior training. An agent instructed Millsap to spit out the substance, but Millsap refused and continued “slushing his tongue around a lot and swallowing.” Millsap was removed from the car and arrested.
After being advised of his Miranda rights, Millsap informed the agents that he was on the road to “meet some lady” and “make me some money.” Millsap then voluntarily consented to give a sample of his blood and urine. An agent transported Millsap to Northeast Georgia Medical Center, where the agent provided a sealed blood kit to a nurse from the lab and observed as the nurse took a blood sample from Millsap, filled out the appropriate paperwork, sealed the blood sample in a vial, and then sealed both in the blood kit with a piece of evidence tape. The agent then took the sealed blood kit to the Hall County property and evidence room.