Prosecutors said he publicly advocated the death of then-President-elect Donald Trump, citing "assassin" and threatened to shoot the 47th commander-in-chief shortly after the election.

The words remained on Facebook posts at the center of the federal grand jury indictment. On Tuesday, Yuca Valley resident Thomas Eugene Streavel, 73, pleaded not guilty to three felony counts.

The San Bernardino County man was arrested by the U.S. Marshal before 11 a.m. Monday and was arraigned the next day in Riverside Central District Court.

He received the bonds on a margin of $10,000 and is expected to return to court on July 28. If convicted on all charges, Streavel could be sentenced to 15 years in jail.

"This defendant is charged with threatening the life of our president - a man who has survived two attempts to make mistakes," General Pam Bundy said in a statement. “The Department of Justice takes these threats with the greatest gravitation and will prosecute the offence to the greatest extent of the law.”

There are no answers to the number of Streavel listed, nor are there any attorneys listed in court documents.

His actions were detailed in Tuesday's unsealed grand jury indictment starting May 29.

According to days after Trump's election victory in November, Streve issued various threats. Ministry of Justice.

According to court documents, Streavel posted on November 6: "