Andrew Dennehy is seen walking in the plaza as a sheriff's deputy draws his gun outside the Tulsa County Courthouse March 7, 2012.

Andrew Dennehy, Nov. 2010.

Andrew Dennehy, Dec. 2010.

Andrew Dennehy, Oct. 2008.

Andrew Dennehy is seen laying on the ground while being detained by sheriff's deputies on the plaza outside the Tulsa County Courthouse March 7, 2012.

Andrew Dennehy is seen laying on the ground while being detained by sheriff's deputies on the plaza outside the Tulsa County Courthouse March 7, 2012.

Courtesy of John Fancher, Tulsa City-County Library

Andrew Dennehy is seen laying on the ground after being shot by sheriff's deputies on the plaza outside the Tulsa County Courthouse March 7, 2012.

Authorities at the scene of a shooting at the Tulsa County Courthouse March 7, 2012.

Scott Marion