The FBI office in Milwaukee is offering a $10,000 reward in the search for a suspect in a Wisconsin gun store robbery and threats against schools.

Joseph A. Jakubowski, 32, went on the run Thursday after stealing handguns and rifles from Armageddon Gun Shop in Janesville, according to police. A vehicle registered to him was found burned out nearby.

A statewide crime alert says Jakubowski "has been highly agitated recently regarding a variety of political issues."

It was also reported that he had made threats to steal weapons and use them against public officials or a school.

Local schools were notified.

The Rock County Sheriff says investigators have obtained a manifesto Jakubowski sent to President Donald Trump, according to a report from our Madison partner station NBC15 report. The manifesto apparently takes issue with government officials and authorities.

"We have also (found) a 161-page manifesto that the suspect wrote was sent to President Trump at the White House. This manifesto has been evaluated by experts within the FBI's behavioral analysis unit to better understand his mindset and locate investigative leads or evidence," Rock County Sheriff Robert Spoden said.

Several schools in the Janesville area canceled classes Friday, including UW-Rock County and Blackhawk Technical College campuses. Some other schools were in lockdown for the day.

Police say it is possible Jakubowski is no longer in Wisconsin.

Joseph Jakubowski is described as a white man, 5'10" tall, with brown hair and green eyes.

Anyone who sees Jakubowski should call 911 or 1-800-CALL-FBI (1-800-225-5324).