Investigators: Drug arrest leads to Mt. Pleasant armed robbery suspect

Published: May. 8, 2013 at 3:25 PM EDT|Updated: May. 8, 2013 at 3:51 PM EDT
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Mendones and Tompkins (Source: CCDC)
Mendones and Tompkins (Source: CCDC)

MT. PLEASANT, SC (WCSC) - Police have charged a man with robbing the East Cooper Pharmacy in late March, and investigators said they were tipped off by his girlfriend.

Mount Pleasant Police Department officers arrested 36-year-old Arturo Mendones on Tuesday night and charged him with armed robbery. Earlier Tuesday, they had arrested the man's girlfriend, 32-year-old Sonja Tompkins, after finding a number of prescription drugs in her home, court documents state.

Police said they executed the search warrant at Tompkins' North Shadow Drive home on Tuesday morning and said they found Oxycodone, Alprazolam, and a number of other painkillers Tompkins did not have prescriptions for.

During a subsequent interview, police said Tompkins told them Mendones, her boyfriend, had mentioned that day he planned to rob the East Cooper Pharmacy on Bowman Road. She said she told him not to do it.

Court documents state police then questioned Tompkins about Mendones' whereabouts on the morning of Mar. 25, when the last robbery took place.

Investigators said she remembered dropping Mendones off at the McDonald's on Bowman Road around 9 a.m. that morning. She said she picked him up a short time later at a different location nearby.

Police said Mendones robbed the pharmacy during that time using a 9mm pistol.  They said he got away with Oxycodone, Oxycontin, and other painkillers.

He was granted a $100,000 bond during a hearing Wednesday. Tompkins was granted a $45,000 bond on drug charges.

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