Missing San Antonio realtor Suzanne Simpson, left, and her husband Brad Simpson, right, pose together for a photo during a party. Credit: Facebook / Suzanne Simpson

Authorities in Travis County arrested the sister of missing San Antonio realtor Suzanne Simpson last week on allegations she harassed her her brother-in-law’s family members. 

Simpson’s sister, Teresa Lynn Clark, 55, is charged with four counts of harassment, News 4 San Antonio reports, Clark has harassed the family members of her sister’s accused killer, Brad Simpson, since her December disappearance, the TV station said, citing court documents. 

Brad Simpson is charged with murder, aggravated assault with a deadly weapon causing serious bodily injury, tampering with a corpse and possession of a prohibited weapon in connection with his wife’s disappearance. His murder trial is set to begin in February. 

Clark left threatening voicemails and sent emails to people related to Brad Simpson, News 4 reported. The threatening messages would usually come after midnight, according to the station’s story. 

Law enforcement told Clark to stop contacting Brad Simpson’s family, but she continued to barrage family members and continue a “social media campaign” to smear Brad Simpson anyway, News 4 reports.

Clark was arrested in Travis County on Oct. 2 and released two days later, according to the TV station.

Clark’s sister, Suzanne Simpson, was last seen Oct. 6, 2024. A witness alleges to have heard her and Brad Simpson engaged in a loud argument outside their Olmos Park mansion. 

Although authorities haven’t found Suzanne Simpson’s body, she’s presumed dead. 

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