A Nashville, Tennessee, substitute was assigned to the class of a family member of the man she is accused of murdering in a weed deal gone wrong.

Khadijah Griffis is accused of killing 19-year-old Mykal Prime on July 25. According to News Channel 5, the 25-year-old teacher fatally shot Prime in the parking lot of a Marathon market. They were reportedly meeting in a weed deal.

A news release from Metro Police stated: "Prime got into the front seat of Griffis’ car, which had been parked at the gas pumps for several minutes, but didn’t shut the door."

The two reportedly got into a struggle, and Prime was shot as he exited the vehicle. Last Wednesday, Griffis entered the Centennial Medical Center claiming she was pistol-whipped in an armed robbery. She told police Prime attempted to rob her in the weed deal.

The victim's 14-year-old twin brothers took time off from school to grieve their brother's death. Once they returned to RePublic High School on Friday, they noticed there was a substitute teacher in their math class. The sub was Griffis, their brother's killer.

"They were put in the room with their brother's killer and they were tormented by this woman," Juanneika Scott, mother of the twins, told News Channel 5.

At first, one of the twins expressed some concerns regarding their teacher. Daquan Prime looked her up online and finally connected the dots.

"I was putting two and two together and I was like that's my brother's killer," Daquan told the outlet. To make matters worse, the suspected killer mocked the student by repeating his name and belittling him in front of the class.

When school administrators found out, they eventually escorted Griffis off the campus. Jon Rybka, the CEO of RePublic Charter Schools, said a New Orleans-based temp agency called Enriched Schools assigned Griffis to the school. The agency reportedly assigns subs to charter schools nationwide.

"As soon as we found out what happened we obviously immediately asked her and escorted her off the premises," Rybka said.

Other teachers informed the agency of the shooting, sent articles and raised concerns, but the alleged killer managed to creak through the system.

"If they Googled her, they'd find out she had guns and drugs. A school teacher? I never heard of a school teacher like that," Scott said.

To avoid future situations of this nature, the school vowed to not use the agency again.

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