BOSTON — FBI agents have nabbed an Oklahoma man accused of throwing a pipe bomb onto the porch of the Satanic Temple in Salem.

Sean Patrick Palmer, 49, has been charged with using an explosive to cause damage to a building used in interstate or foreign commerce.

Palmer was arrested on Wednesday, and will make an initial appearance in the Western District of Oklahoma. He will appear in federal court in Boston at a later date.

According to the feds, cameras outside the Satanic Temple on April 8 showed a man walking toward the building wearing black pants, a black jacket, a black face covering, a tan-colored tactical vest and gloves.

The man is reportedly seen igniting a pipe bomb — a type of improvised explosive device — and then throwing it at the building’s main entrance before running away.

Seconds later, the pipe bomb partially detonated, causing minor fire and related damage to the building’s exterior. The incident happened at around 4:14 a.m.

The pipe bomb appeared to have been constructed from a section of plastic pipe covered with metal nails, which were attached to the pipe with tape.

The inside of the pipe was filled with a powder-like substance, preliminarily identified as smokeless gunpowder. A single human hair was allegedly located on the pipe bomb containing a DNA profile from a white male.

A six-page handwritten note was found in a flower bed next to where the pipe bomb was discovered. Among other things, the letter reportedly stated:

DEAR SATANIST

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