MANASSAS, Va. (WUSA9) -- Authorities have made arrests in connection with a murder investigation after remains were found in Manassas in January 2015, Prince William County police said.

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Police arrested two juveniles and an 18-year-old in connection with the remains that were found in a wooded area on Barrett Dr. in Manassas on January 13. The remains found were identified as Oscar Rene Andrade, 29, of Manassas. Andrade had been reported missing by his family on September 14, 2015.

The investigation shows that an accused, identified as David Pineda Argueta had been stopped by DC police on September 13 driving Andrade's car. Argueta was arrested on unrelated charges at that point.

According to authorities the investigation showed that Argueta planned on robbing and murdering the victim. Police also learned the suspects are part of the gang MS-13.

Police said the victim was not believed to be a part of the gang. It is not clear how he was connected to the suspects. A total of three people were arrested in connection with the incident. One of the teenagers arrested is believed to have been recruiting for the gang.

David Jonathan Pineda Argueta, 18, of Manassas, was arrested and charged with murder, robbery, gang participation and gang recruitment. He is being held without bond.

Two 17-year-old males were also arrested in the incident. One was charged with accessory after the fact to murder, gang participation and gang recruitment.

The second juvenile was charged with accessory after the fact to murder. They are both being held at a juvenile detention facility, authorities stated.

Police said the investigation remains ongoing.

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