Forensics

FBI: Pipe bomb found in Oklahoma had unusual features

An explosive found in the Oklahoma apartment of a man accused of setting off a pipe bomb near a military recruiting office had "unusual" features usually seen outside the U.S., according to a preliminary FBI investigation.

Court documents show the FBI determined that one of two pipe bombs found in 28-year-old Benjamin Roden's apartment in Tulsa utilized two 9-volt batteries and magnets, the Tulsa World (http://bit.ly/2tGpNQK ) reported.

A government affidavit states that the nature of the pipe bomb was "unusual for Oklahoma," and that it had features "typically seen in other parts of the world."