Pine City, MN (NNCNOW.com)-- -The trial for a Duluth Police Officer accused of beating a wheelchair bound man while on duty, began today in Pine City. Six jurors and one alternate were chosen to hear the case against Officer Richard Jouppi. Jouppi is facing fifth degree assault and disorderly conduct charges after he allegedly attacked a 50-year-old wheelchair bound man in a Duluth detox center in September 20-12 This video shows the officer and a 50 year old man at the detox center on the night of September 21st 20-12 After asking the man to remove his jacket, the man apparently tries to strike the officer. Officer Jouppi then appears to strike back, multiple times, until the man and the wheelchair are knocked over. The video, which was provided by the Duluth Police Department, has been very widely shared through social media. The case was granted a change of venue due to extensive publicity and is now being heard in Pine City. Twelve witnesses are expected to testify during the trial. The victim in this case, Antony Jackson, will testify by proxy- meaning someone else will testify on his behalf. Jouppi's wife will also testify and was in the courtroom this morning showing her support, but the judge told her she cannot be in the courtroom during any testimony. It should be noted that the trial is expected to last at least through Thursday before the case is turned over to the jury Written and posted to the web by Raeanna Marnati rmarnati@kbjr.com