Joseph Hilton Dierks, 34, of Waterloo, Iowa, sent several threatening tweets, which in August last year, authorities said.
An Iowa man Wednesday was sentenced to six years in a Federal prison for posting threatening messages on Twitter directed at the US-Sen. Joni Ernst.
Joseph Hilton Dierks, 34, Waterloo, sent Serious several threatening tweets in August, including one that suggested he would, so the authorities have to shoot. The message contained a link to a 2010 Film in which a man shoots deadly a woman in the head.
After the tweet was posted, US Capitol police contacted the Waterloo police, and the officials sent to Dierks’ home, said, he promised to “tone down.”
US-Sen. Joni Ernst, R-Iowa.
But Dierks again threatening messages book within 24 hours, authorities said.
At the time of sentencing in Cedar Rapids, a judge Dierks’ criminal history, of a previous conviction for harassment encountered a Waterloo in the police force and with weapons.
In January, a Nebraska man pleaded guilty to threatening Seriously.
The suspect, identified as Robert William Simet, 64, of Omaha, was arrested last July after employees of the Iowa-motorcycle-shop the FBI said that Simet had made threatening comments about Ernst.
In January, Robert Wilhelm Simet, 64, Omaha, Neb., pleaded guilty to threats against U.S. Sen. Joni Ernst.
Ernst, a Republican, was in the U.S. Senate since January 2015. She formerly served as an Iowa state senator.
The Associated Press contributed to this story.