They believe he stole a large number of guns from a Janesville gun shop last Tuesday and that he sent a 161 page "manifesto" full of anti-government rhetoric to the White House recently.
According to the Janesville Police Department, Wisconsin, they have planned to increase patrols around the city, specifically around places of worship Sunday as the fugitive's manifesto contained anti-religious views.
Police in Rock County have arrested or ticketed Jakubowski more than 50 times in the past decade for driving-related infractions. The "relate" communicated Jakubowski had imparted energy for taking firearms and pined for to "extra everyone by taking out one government official on the double".
Among the weapons he is accused of stealing were several high caliber handguns and at least two semi-automatic assault rifles. Police say he also bought a bulletproof vest and helmet.
Police released a video last week that the suspect allegedly posted on Facebook appearing to show a man mailing an envelope with his manifesto addressed to Trump.
"Ya'll have no idea what's going to happen", he says on the video.
Moore told reporters Jakubowski has a prior record, even having served time in prison, but he said the anti-government, revolution talk "is a new element" of Jakubowski's personality previously unknown to everyone in the law enforcement community.
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"We've never seen this level of police presence in Rock County", Spoden said.
"Our local law enforcement personnel have been collaborating closely with all of the federal and state law enforcement agencies to utilize all available investigative tools to locate Jakubowski", Spoden said.
The registered owner of the vehicle involved in the fire is Joseph A. Jakubowski, 32, listed as residing in the upstairs apartment at 811 Glen St.in Janesville. The FBI continues to offer a $10,000 reward for any information leading to the apprehension of Jakubowski, who is considered armed and unsafe.
The FBI has offered a cash reward for anyone who has further information leading up to Jakubowski's capture.
"Jakubowski is described as a male, white, being 5'10" tall with green eyes and brown hair.
Dozens of schools were closed or locked down on Thursday and Friday as authorities continued their search for Jakubowski, who they said should be considered "armed and risky".
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