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FBI does Not Believe Janesville Manhunt Suspect Wrote Threat Letter against Churches in Sussex

The Waukesha County Sheriff's Office is actively investigating a threat of violence to local churches on Easter Sunday.

A written threat was sent through the United States Postal Service by an individual purporting to be Joseph Jakubowski.

Jakubowski was captured on Friday in Readstown, Wisconsin. 

The FBI said during a press conference that it is not believed that the letter came from Jakubowski. 

The written threat is directed at unspecified churches in the Sussex area, threatening unspecified violence on Easter Sunday.

At this time, the investigation continues and the Waukesha County Sheriff's Office is unable to substantiate the threat nor its author. They ask that all citizens of Waukesha County be vigilant and report any suspicious activity. 

The Waukesha County Sheriff’s Office has added additional resources to this investigation and is working closely with churches in the Sussex area to review safety plans for Easter Sunday.  In addition, Waukesha County Sheriff’s Office investigators are collaborating with local leaders, church officials, as well as federal, state, and local law enforcement partners regarding this case.

The Waukesha County Sheriff's Office is releasing this information as a precaution in the interest of public safety. 

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