The LOM-series protocol droid was a model of protocol droid manufactured by Industrial Automaton. They were designed with insectile features to emulate the species they were designed to serve, the sentient Gand. 4-LOM was a LOM-series protocol droid who overrode his programming and became a bounty hunter. The LOM-series had a flaw that allowed the personality software of a droid to be corrupted. Many LOM-series droids became enforcers in the galaxy's Outer Rim Territories.
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