A Cayce teaching assistant accused of having sex with a special-needs student in Mount Pleasant and Cayce last week was arrested Thursday on similar charges in Richland County.

Cornelius Davis, 29, is charged with criminal sexual conduct with a minor by the Richland County Sheriff’s Department. He was charged earlier this week with committing a lewd act on a minor by the Cayce Department of Public Safety and with second-degree criminal sexual conduct by Mount Pleasant police.

Davis, a Brookland-Cayce High School special education teaching assistant and a Special Olympics coach, is accused of sexually assaulting the same 15-year-old student three times in two days.

Richland County deputies received a call Monday from the teen’s mother about an alleged incident March 1, department spokesman Curtis Wilson said.

The mother told police that the suspect called to see if her daughter would be able to help him at a softball game at Lower Richland High School, according to the Sheriff’s Department. The man reportedly picked up the girl and her sister and took them to his home in Hopkins.

When they got there, according to reports, the sister stayed in the living room while Davis and the teen went into his bedroom, where the mother alleges she was forced to kiss the suspect.

The mother also told deputies Davis allegedly threatened her family.

Davis is being held at Alvin S. Glenn Detention Center pending bond hearings.

After bond is set there, he will be taken to Lexington County Detention Center, said Cayce Department of Public Safety Lt. Jeff Simmons. The girl and her mother allege she was fondled over her clothes between Feb. 1 and March 2 at Brookland-Cayce High School.

Davis first was arrested by Mount Pleasant police Monday, after the mother of one of his female students told officers the girl had sex with her teacher, according to The (Charleston) Post and Courier. The two were in Mount Pleasant for a Special Olympics event.

When the 15-year-old girl was taken to a hospital in Charleston to be examined, the girl told police about the other alleged incidents, according to reports.

Davis has been placed on administrative leave and is not allowed back on school property, according to Lexington 2 attorney Jake Moore.

The Richland County Sheriff’s Department and Cayce Department of Public Safety are encouraging other victims of sexual assault to come forward by contacting Crime Stoppers at (888) CRIME-SC.