Did Boston bombing suspect Tamerlan Tsarnaev steal the gun used to kill police officer Sean Collier

[MADem]

5. We all will have to be patient--the Commonwealth is very tight-lipped with ongoing investigations.

The Waltham one is still open, but--in an unusual move which is suggestive, if nothing else--the FBI has joined in.

The Globe reported today that the gun used by the Tsarnaev brothers during the Watertown shootout may have been stolen from a Waltham murder victim.

Middlesex District Attorney Marian T. Ryan issued a statement today defending the pace of the investigation, a statement that also made clear Ryan’s office believes it is constrained by ethics rules for lawyers from publicly discussing an ongoing investigation.

“While we can not discuss details pertaining to the investigation, including evidence, suspects or witnesses, this office and its law enforcement partners have conducted a thorough, far-reaching investigation beginning in 2011 when this horrific crime occurred,’’ Ryan said in the statement. “This investigation has not concluded and is by no means closed.”

The statement did acknowledge that the FBI is now part of the investigatory team, which also includes prosecutors and Waltham and State Police. The FBI does not routinely participate in murder investigations in Massachusetts.

Ryan said her office would not discuss the investigation with the public. ....

http://www.boston.com/metrodesk/2013/05/23/father-man-killed-fbi-agents-orlando-fla-says-his-son-was-not-capable-attacking-police/XxvlSGECZcwyL1UF2X9ZtL/story.html