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The home of Byron Sonne and Kristen Peterson in Toronto.Kevin Van Paassen

Kristen Peterson, a Toronto artist charged with possession of explosives and dangerous weapons following G20-related police investigation, was let out on bail Saturday afternoon.

She appeared in court wearing a forest green jogging suit, and smiled at her parents when she arrived in the prisoner's box.

Her husband Byrone Sonne was to appear in court, as well, but his bail hearing has been pushed back to June 30 at the request of his lawyer Kevin Tilley.

Ms. Peterson was let out on a $25,000 bail posted by her parents Maureen and John Peterson. Her bail conditions stipulate she must live with them and have no direct or indirect access to her co-accused husband except in presence of lawyers.

She's also not to be in possession of any kind of weapons, including explosives, and is not allowed to use the Internet to access any websites or social networking sites controlled by Mr. Sonne. She's also prohibited from accessing his financial records.

Ms. Peterson, has been in police custody since her arrest Thursday - a day after police raided family properties in the Muskoka townships of Tiny and Lake of Bays, and two days after Mr. Sonne was arrested following a raid on the couple's house in Toronto's wealthy Forest Hill neighbourhood.

Both Mr. Sonne and Ms. Peterson are accused of obtaining the ingredients to make triacetone triperoxide - an unstable explosive often associated with terrorist attacks - and possessing potato guns for the purpose of threatening public safety.

Mr. Sonne is also accused of attempted mischief and intimidating members of the justice system.

Mr. Sonne, a computer security expert who owns his own business after working with Webkinz and FSC Internet, was also a member of HackLab T.O. Friends say he talked about wanting to listen in on police officers' radio chatter and relay their movements to the public on Twitter; he has also mused about trying to test the vigilance of summit security by purchasing suspicious material.

Ms. Peterson has a master's degree in visual art from the University of Toronto. Her multimedia installations have been on display in several Toronto galleries.

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