The FBI has issued an all-points bulletin for a 22-year-old man in connection with pipe bombs found in mailboxes in five states within the last week. The man has been identified as Luke John Helder, described as a white male with dark hair and green eyes. The FBI says he?s “armed and dangerous.”

He was last seen in Texas — where the most recent bomb was found — driving a gray or black 1992 Honda Accord with a Minnesota license plate bearing the number EZL 783. A pipe bomb found in a mailbox in Amarillo, Texas on Monday night appears similar to the 17 found in four other states. A source from the FBI says he believes a note was found but couldn?t confirm this.
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