VIRGINIA BEACH, VA - NOVEMBER 3: Montgomery County Police forensics specialist David McGill holds a rifle scope found in the Chevrolet Caprice when Washington area sniper suspect John Allen Muhammad was arrested, during Muhammad's trial at the Virginia Beach Circuit Court November 3, 2003 in Virginia Beach, Virginia. (Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: Prince William County assistant commonwealth attorney Richard Conway displays a shell casing found inside the Cheverolet capris used by sniper suspect John Allen Muhammad November 3, 2003 during testimony in Courtroom 10 at the Virginia Beach Circuit Court in Virginia Beach, Virginia. (Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: Prosecutors look at a photo of the Chevrolet Caprice used by Washington area sniper suspect John Allen Muhammad on a screen, during Muhammad's trial at the Virginia Beach Circuit Court November 3, 2003 in Virginia Beach, Virginia.
(Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: Montgomery County Police forensics specialist David McGill displays a set of gloves found in the Chevrolet Caprice when Washington area sniper suspect John Allen Muhammad was arrested, during Muhammad's trial at the Virginia Beach Circuit Court November 3, 2003 in Virginia Beach, Virginia. (Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: A photo of a hole cut in the trunk of the Chevrolet Caprice used by Washington area sniper suspect John Allen Muhammad is displayed on a screen, during Muhammad's trial at the Virginia Beach Circuit Court November 3, 2003 in Virginia Beach, Virginia.
(Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: Dr. Mary G. Ripple, assistant chief medical examiner for the state of Maryland, gestures as she describes the wounds of sniper victim Conrad Johnson November 3, 2003 during the trial of Washington area sniper suspect John Allen Muhammad in Courtroom 10 at the Virginia Beach Circuit Court in Virginia Beach, Virginia. (Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: Washington area sniper suspect John Allen Muhammad (L) listens to a witness as a photo of the Bushmaster rifle said to have been used in the shootings is displayed on a screen Novemeber 3, 2003 in Courtroom 10 at the Virginia Beach Circuit Court in Virginia Beach, Virginia.
(Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: Montgomery County Police forensics specialist David McGill opens a bag containing a duffle bag found in the Chevrolet Caprice when Washington area sniper suspect John Allen Muhammad was arrested November 3, 2003 during his testimony in Courtroom 10 at the Virginia Beach Circuit Court in Virginia Beach, Virginia. (Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: Timothy Curtis, supervisor of the firearms section of the ATF (L) points out features on a Bushmaster rifle said to have been used in the sniper shootings November 3, 2003 during the trial of Washington area sniper suspect John Allen Muhammad in Courtroom 10 at the Virginia Beach Circuit Court in Virginia Beach, Virginia. (Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: A photo of a duffle bag found near the shooting scene of Maryland bus driver Conrad Johnson, is shown on a screen November 3, 2003 during the trial of Washington area sniper suspect John Allen Muhammad in Courtroom 10 at the Virginia Beach Circuit Court in Virginia Beach, Virginia. (Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: Timothy Curtis, supervisor of the firearms section of the ATF (L) points out features on a Bushmaster rifle said to have been used in the sniper shootings as it is held by Prince William county prosecutor Richard Conway November 3, 2003 during the trial of Washington area sniper suspect John Allen Muhammad in Courtroom 10 at the Virginia Beach Circuit Court in Virginia Beach, Virginia. (Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: Whitney Donahue a Refrigeration mechanic from Greencastle Pennsylvania gestures during his testimony in the trial of Washington area sniper suspect John Allen Muhammad in Courtroom 10 at the Virginia Beach Circuit Court in Virginia Beach, Virginia.
(Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: A note found near the shooting scene of Conrad Johnson on October 23, 2003 in Aspen Hill Maryland is displayed on a screen November 3, 2003 during the trial of Washington area sniper suspect John Allen Muhammad in Courtroom 10 at the Virginia Beach Circuit Court in Virginia Beach, Virginia. (Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: A note found near the shooting scene of Conrad Johnson on October 23, 2003 in Aspen Hill Maryland is displayed on a screen November 3, 2003 during the trial of Washington area sniper suspect John Allen Muhammad in Courtroom 10 at the Virginia Beach Circuit Court in Virginia Beach, Virginia. (Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: A surveilence video showing Washington area sniper suspect John Allen Muhammad at a hostess stand of an Outback resturaunt in Maryland is displayed on a screen in Courtroom 10 at the Virginia Beach Circuit Court November 3, 2003 in Virginia Beach, Virginia. The photos show Muhammad in the lobby of the resturant the night before bus driver Conrad Johnson was shot only a few miles away.  (Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: Washington area Sniper suspect John Allen Muhammad (L) talks with his attorney Jonathan Shapiro, November 3, 2003 during a bench conference in Courtroom 10 at the Virginia Beach Circuit Court in Virginia Beach, Virginia. (Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: Denise Johnson, wife of sniper victim Conrad Johnson, testifies during the trial of Washington area sniper suspect John Allen Muhammad in Courtroom 10 at the Virginia Beach Circuit Court November 3, 2003 in Virginia Beach, Virginia. (Photo by David Ellis-Pool/Getty Images)

VIRGINIA BEACH, VA - NOVEMBER 3: Sniper suspect John Allen Muhammad (L) listens to a witness as a photo of sniper victim Conrad Johnson is displayed on a screen in courtroom 10 at the Virginia Beach Circuit Court November 3, 2003 in Virginia Beach, Virginia.
(Photo by David Ellis-Pool/Getty Images)