Police say the fake threats were made after the professor was told he was losing his job.
A jury convicted Dylann Roof on federal hate crime charges in December and then sentenced him to death.
The General Assembly adopted the mandatory voter roll purges in 2014.
Mayor Bennett says he’s encouraged by an increase in housing and economic development activity in the city.
Officers responded in West Terre Haute on Tuesday along with Vigo County sheriff's deputies and FBI agents.
Mayor Bennett says the city will improve the roads, lighting, sidewalks and landscaping while the RiverFront Lofts are being completed.
RiverFront Lofts will feature open, loft-style floor plans, industrial design elements and high ceilings.
Police say Terre Haute North High School's 1,800 students were allowed to leave just before 3 p.m. Friday after a bomb-sniffing dog found no bombs.
Isiah Benford had been charged with failing to notify at least 11 sexual partners that he has HIV, resulting in at least three women becoming infected.
Peterson was serving a prison sentence in the 2004 slaying of Kathleen Savio when he was convicted last year of trying to hire someone to kill the prosecutor.