The Department of Justice has released information on threats of violence directed at lawmakers, Governor Walker, and others during the debate over the collective bargaining bill.

The information released as part of an open records request details about 90 complaints investigated by the state during the controversy over the anti-union bill. Many of those were based on phone calls, e-mails, Twitter messages, and overheard conversations reported to police.

Officials also released audio from two calls, with one featuring a man leaving a profanity filled voice mail for a Republican lawmaker that urges him to go hang himself.

In another, a caller questions a Capitol staffer on whether he’s allowed to come in and kick protesters in the head if they “get in his way.”

Most of the reports investigated by the state were determined not to pose a significant threat, although about a dozen are still under investigation.

Authorities have charged 26-year-old Katherine Windels with making death threats against Republican state Senators. Windels entered a not guilty plea in Dane County court last month on charges that she sent e-mails threatening to shoot and blow up the homes of lawmakers.

AUDIO: Andrew Beckett reports (1:01)

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