The father of a man killed by an FBI agent weeks after the Boston Marathon bombings is demanding $30 million from the bureau, saying it harassed his son before he was fatally shot and negligently hired the agent despite his troubled past on the Oakland, Calif., police force.

Abdulbaki Todashev, represented by the Council on American-Islamic Relations in Florida, said from Moscow that the claim filed Monday was the first step toward a wrongful death lawsuit against the bureau for the shooting of his son, Ibragim Todashev, 27, a friend of the late suspected Marathon bomber Tamerlan Tsarnaev.

"We started this process in order to bring justice for our son and to hold accountable those who were guilty in the murder of our son," Todashev said Monday, speaking through a translator. "He was killed in cold blood."

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