North Charleston investigators say Patrick Antonio Jones, 23, was hired as a cashier who decided to pocket the profits for himself.
Jones is wanted on a charge of breach of trust.
Investigators say gas station surveillance cameras captured evidence of Jones pocketing money from cash-paying customers.
Police say Jones would log into the register with his employee ID, ring up a cash sale, then cancel the sale, and take the money.
Officials say his actions cost the store more than $5,000.
Jones stands 6'3" and weighs about 157 lbs.
His last known address was on Boone Hill Road in Summerville.
Anyone with information is asked to contact Crime Stoppers at 554-1111.
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