Defense attorney John Amabile delivers his opening statement as he holds the gun used to fatally shot Justin Cosby of Cambridge, Mass., during Jabrai Jordan Copney's trial in Woburn, Mass., Wednesday, April 6, 2011. Copney of New York City has pleaded not guilty to first-degree murder in the 2009 shooting of Cosby, allegedely in a robbery attempt during a deal to buy marijuana.(AP Photo/Bizuayehu Tesfaye)