25 Key Evidence Photos From the Ferguson Grand Jury

Officer Darren Wilson's vehicle is shown at the scene of the confrontation in this undated evidence photograph made available by the St. Louis County prosecutors office

A bracelet was found near where Officer Darren Wilson fatally shot unarmed teen Michael Brown on Aug. 9, 2014

The cap 18-year-old Brown wore the day he was shot by Officer Wilson

This photograph shows a casing from a bullet fired from Ferguson Police Officer Darren Wilson's gun.

A blood-stained sheet covers the body of 18-year-old Michael Brown.

Brown's blood is spattered on the ground near where his body lay after being shot by Officer Wilson

Another bullet casing from Officer Wilson's gun, which was fired a total of 12 times that day in August

This photo shows shattered glass from Officer Wilson's car window, which was shot out during a struggle between Wilson and Brown, according to grand jury testimony

The interior of Officer Wilson's police vehicle. Wilson says he used the radio to call for backup after the shooting

Another bracelet discovered near Officer Wilson's vehicle following the shooting

A close up of the exterior of Wilson's vehicle following the incident

Evidence left following the incident on the exterior of Officer Wilson's police car

Handprints mark the rear window of Wilson's vehicle.

A traffic cone and police tape mark the scene near where Brown was shot on Canfield Drive in Ferguson, Mo. in August

Officers fetch a bullet from a hole left in the side of a building near the scene

A bullet fired by Wilson's gun

The uniform Officer Wilson wore the day he shot and killed Michael Brown

Officer Darren Wilson

Wilson says he feared for his life during an altercation with Brown, leading him to use deadly force.

Evidence left on the breast pocket of Wilson's uniform following the shooting of Michael Brown

This image shows Wilson soon after the shooting. At the time, the officer underwent a medical examination

During the medical examination, bruising was discovered on Wilson's cheek where he says Brown punched him in the face

Medical examination also found cuts on the back of Officer Wilson's head

The gun Officer Darren Wilson used when he shot and killed Michael Brown

A bullet found in Officer Wilson's weapon after the shooting of Michael Brown