It is not clear who assembled the "kit gun" used in the attack at Saugus High School.
Two officers were shot, one fatally, as they went down a staircase into a basement while responding to a home invasion.
Taylor, who hasn't played since the Patriots cut him in September, alleges Britney Taylor sued him because he wouldn't invest in her gymnastics business.
The Justice Department has set up a website for patients of Dr. Javaid Perwaiz to gather tips and provide medical records.
Former students who played with the coach at the University of New Haven from 2003 to 2009 alleged that he had inappropriate relationships with students.