...Todashev, 27, a Muslim Chechen immigrant, was shot dead in an Orlando apartment in May 2013 during FBI questioning over his links with the Boston bombing suspects.

The notice was filed by the Council on American-Islamic Relations Florida (CAIR-Florida), a civil rights group, on behalf of Todashev’s parents who accused the FBI in a statement on Monday of killing their son “in cold blood.”

Thania Diaz Clevenger, civil rights director for CAIR Florida, said the group was “seeking answers and justice for someone who was shot seven times by an FBI agent in his own home after hours of interrogation.”

The FBI said the agent fired after Todashev suddenly attacked and injured the agent during the interrogation. Investigators concluded the agent was justified in using deadly force.

CAIR accused the FBI of “careless hiring practices” involving FBI agent Aaron McFarlane, who fired the fatal bullets, as well as a lax internal review that cleared him in Todashev’s death.

“During his time serving with the Oakland Police Department, he was involved in two police brutality lawsuits, four internal affairs investigations, regarding violently beating up suspects and witnesses and allegedly falsified police reports,” CAIR said in a statement....