LOS ANGELES (CBSLA.com)  —  The Los Angeles County District Attorney’s office has announced the arrest of a couple — a convenience store clerk and her fiance — for trying to scam the California Lottery.

Deputy District Attorney William Ryder said 24-year-old Kamrun Nahar Nipa and 28-year-old Miggel Hewage Wijesena are charged with conspiracy to commit grand theft, attempted grand theft of personal property, perjury by declaration and presentation of a fraudulent claim.

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Both are scheduled to be arraigned in Department 100 of the Los Angeles County Superior Court, Van Nuys Branch.

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Authorities said an undercover investigator with the California Lottery presented Nipa with a $20,000 decoy winning lottery ticket back in April. She was working as a register clerk at a gas station mini mart in the 16000 block of Sherman Way in Van Nuys.

Officials say Nipa told the undercover agent that the ticket was a loser and held on to it. The next day Nipa and Wijesena presented the ticket at a lottery office claiming it as their own, Ryder added.

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If convicted on all counts the defendants face a maximum possible sentence of three years and eight months in county jail.