(CNN)In his 23 years with the Bureau of Alcohol, Tobacco, Firearms and Explosives, Dan O'Kelly was one of the agency's top gun experts.
He served for five years as the lead firearms technology instructor at the ATF National Academy, where he co-wrote the curriculum for incoming agents.
These days, however, O'Kelly is using his formidable firearms expertise and institutional knowledge of the ATF to take aim at his former employer.
amp.cnn.com
He served for five years as the lead firearms technology instructor at the ATF National Academy, where he co-wrote the curriculum for incoming agents.
These days, however, O'Kelly is using his formidable firearms expertise and institutional knowledge of the ATF to take aim at his former employer.
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Former agent takes aim at ATF over AR-15s
Ex-ATF agent Dan O'Kelly says federal law does not apply to a key component of the AR-15 and many other weapons, creating a loophole through which convicted felons could acquire a firearm piece by piece.
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