WASHINGTON — (CNN) Joey Meek, a friend of confessed Charleston church shooter Dylann Roof, was arrested by the FBI on Thursday, a law enforcement official said.

Authorities have been investigating Meek since the June shooting for allegedly knowing about the crime and not telling authorities, the official said.

In the days after the shooting, Meek spoke with reporters with CNN and other media outlets, recounting how Roof had drunkenly vowed one night “to do something crazy.”

Meek said he hid Roof’s gun that night, but put it back the next day.

“I didn’t take him serious,’ he said.

After hearing the description of the suspect in the Charleston church shooting, Meek told CNN he called the FBI the next morning, giving authorities detailed descriptions of what Roof was wearing and the license plate on his car.

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(Photo: CNN)