A Woodbury man has been charged with aggravated assault and failure to appear in Dekalb County Court recently. According to WJLE.com 48 year old Mark Allen Thomas is being held in Dekalb County Jail without bond for failure to appear. His bond on the assault is $2500. He will make a court appearance Thursday. Dekalb County Sheriff Patrick Ray said that on February 25 Thomas allegedly assaulted his sister by hitting her in the face with the handle of a hammer causing redness around the left eye and cheek.