The NRA or National Right to Murder Association has already blocked Boston Marathon Investigation

The NRA or National Right to Murder and Get Away With It Association has already blocked Boston Marathon Investigation

One avenue of investigation is already closed off to forensic officials working the Boston Marathon bombing case due to efforts dating back decades by the National Rifle Association and gun manufacturers.

The FBI said Tuesday that gunpowder, along with pieces of metal and ball bearings, were packed into at least one pressure cooker and another device to make the crude bombs that killed three people—including an 8-year-old boy—and wounded more than 170 more during the Boston Marathon Monday.

But a crucial piece of evidence called a taggant that could be used to trace the gunpowder used in the bombs to a buyer at a point of sale is not available to investigators.

“If you had a good taggant this would be a good thing for this kind of crime. It could help identify the point of manufacturer, and chain of custody,” Bob Morhard, an explosives consultant and chief executive officer of  Zukovich, Morhard & Wade, LLC., in Pennsylvania, who has traced explosives and detonators in use in the United States and Saudi Arabia, told MSNBC.com. “The problem is nobody wants to know what the material is.”

Explosives manufacturers are required to place tracing elements known as identification taggants only in plastic explosives but not in gunpowder, thanks to lobbying efforts by the NRA and large gun manufacturing groups.

NRA officials at the group’s headquarters in Fairfax, Virginia declined to respond to calls and emails from MSNBC.com requesting comment.

The National Shooting Sports Foundation and the Sporting Arms and Ammunition Manufacturers’ Institute, Inc., share a cross-membership of dozens of firearms manufacturers based out of their joint offices in Newtown, Connecticut. Foundation spokesman Bill Brassard, Jr. told MSNBC.com that no one from either group was available for comment.

“They are concerned about tort liability,” Morhard added to MSNBC.com, referring to manufacturers worried about being sued over the improper use of their ammunition or explosives.

Has American noticed that the NRA - worried that gov'mint will take away their right to be part of a well "regulated" militia does done nothing to fight for the civil liberties that conservatives regularly take away from Americans in the form of the Patriot Act and other surveillance state activity. The NRA does nothing to keep the gov'mint from entangling itself with religious fanatics. The NRA does nothing to protect the right of individuals to have autonomy over their own body. I could go on, but the point is easily made, the gov'mint that they say they need their guns to protect themselves against, takes away rights that the NRA supports being taken away. I'm not anit-gun ownership, but I am anti-fanatics.

Related to chart above, Conservative Republicans want America to follow European economic austerity