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(WJW) — A man was caught on camera placing drugs into two teenage girls’ Dairy Queen desserts, North Carolina police said in a statement.

The grandfather — identified as 66-year-old James Yokeley Jr., who was up until recently the chair of the Surry County Board of Elections — was taken into custody and charged with contaminating food with a controlled substance, felony child abuse and possession of a narcotic, according to Wilmington police.

Police said they were flagged down at a Sheetz on Aug. 3, and Yokeley said his granddaughters had found “hard objects” in their Blizzard ice cream treats from a nearby Dairy Queen. The girls were treated by medical personnel, but it turned out they had not ingested what appeared to be illegal drugs in pill form.

In a news conference Friday, the Wilmington police corrected the record to note one of the girls was the suspect’s 16-year-old step-granddaughter and the other was her friend. Yokeley allegedly purchased the Blizzards while the girls waited in the car.

Police confirmed the step-granddaughter was driving the vehicle at the time and pulled into the gas station when she saw an EMS vehicle was parked there.

In the course of the investigation, police said video footage showed Yokeley putting the pills into the desserts.

In an arrest warrant, obtained by People magazine, officials found the pills tested positive for cocaine and MDMA.

Yokeley sent a letter, posted by the News & Observer, earlier this week to the Board of Elections, outlining his plan to resign.

“After much prayer, thoughtful reflection and consultation, I have concluded that it’s in the best interest of the State Board of Elections and Surry County Board of Elections, regarding my own falsely accused circumstances, to step down at this time,” he wrote in the letter.

According to police, the suspect was transported to the New Hanover County Detention Center, but has since posted a $100,000 bond.