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FSU student, 21, charged in murders of mother, stepdad in Carrollwood

CARROLLWOOD — A 21-year-old Florida State University student is being held without bail at the Leon County Jail in Tallahassee on charges of fatally shooting her mother and stepfather inside their Carrollwood home Thursday night.

Florida State University police were notified around 11 a.m. Friday that Nicole Gene Nachtman, an FSU sophomore, was considered a person of interest in the killings. Officers found Nachtman in her dorm room at Smith Hall, said FSU police Chief David Perry. Classes start Monday.

"She willingly accompanied us to the police department on campus where she was turned over to Hillsborough County deputies," Perry said. "It's a terribly unfortunate tragedy, but we're happy it was resolved without any further incident."

A warrant for Nachtman's arrest was issued late Friday and she was booked into the Leon County Jail on Saturday morning, officials said. She is charged with two counts of first-degree murder with a firearm in the death of her mother, Myriam Dienes, 56, and stepfather, Robert Dienes, 67.

The two were found with upper body trauma late Thursday, Myriam Dienes bleeding in a neighbor's driveway and Robert Dienes inside the couple's home at 14110 Fennsbury Drive.

Myriam Dienes was a captain in the Naval Reserve and had just returned home from service that night, the Sheriff's Office said.

Family saw no signs leading up to Thursday's tragedy, said David Lehr, Myriam Dienes' nephew and Nachtman's cousin. He said Myriam had just been promoted to captain this year and Robert, who goes by Bob, worked for the government and in law enforcement before retiring. The couple had previously lived in Virginia.

Investigators returned to the scene again Saturday and divers were searching the small lake behind the home for further evidence. By the end of the day, they had cleared the scene.

Authorities have not revealed a motive or timetable for the events that unfolded Thursday night. The Sheriff's Office did say Myriam Dienes has another child, a grown son who was safe from the violence. His name and whereabouts were not released.

Contact Katie Mettler at or (813) 226-3446. Follow @kemettler.