A former white supremacist, convicted of murdering a family of three in 1996, was killed by a fatal injection on Tuesday when the federal government was first executed in 17 years, the Justice Department said.
Daniel Lewis Lee, 47, was pronounced dead at 8:07 a.m. local time in Terre Haute Prison, Indiana, the department said in a statement.
Lee is the first of three federal inmates to be executed this week.
Lee from Yukon, Oklahoma, and another man were convicted of murdering the Arkansas family during a robbery that was said to help create an "Aryan Peoples Republic".
According to a local newspaper reporter who witnessed the execution, Lee said he was innocent in his final statement.
"You kill an innocent man," quoted Indianapolis star Lee.
Lee's execution was scheduled for Monday, but was temporarily stopped by a judge who wanted to allow legal challenges to the drug used to kill the federal inmates.
However, the Supreme Court overturned the lower court's order overnight and cleared the way for the executions.
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