CRESCENTVILLE (WPVI) -- Two teenagers have been charged in connection with the shooting death a Chinese food deliveryman in Philadelphia's Crescentville section.The suspects, 14-year-old Shamir Walker 15-year-old Tyquail Duffy, were arrested over the weekend.Walker is charged with Murder, Robbery, Criminal Conspiracy, and related offenses.Duffy is charged with Aggravated Assault, Intimidation, Terroristic Threats, Violation of Uniform Firearms Act, and related offenses.Both will be tried as adults.49-year-old Rendong Zheng was making a delivery to the Hill Creek Apartments in the 500 block of Hill Creek Road late Thursday night when he was approached.Philadelphia Police Lt. John Stanford explains, "At some point in time he's approached ... at some point in time there's a robbery or an attempted robbery, and he's shot one time in the arm.Twelve shots were fired - one hitting Zheng in the shoulder.He drove away and managed to make it to Adams Avenue and Bingham Street, where he lost control of his car and drove onto a grassy median before crashing through a fence and hitting a pole.Medics took him to Albert Einstein Medical Center, where he was pronounced dead a short time later.Zheng was a delivery driver for the New China Restaurant on the 5800 block of Rising Sun Avenue.The restaurant was closed on Friday, but Action News was able to talk to some local business owners and residents who are saddened by his killing."That's terrible, that's terrible. The neighborhood will not be the same," said Tracy Hartman from Crescentville."He's good people. He told me his family is valued. He's a good guy. He told me he needed money to go see his family in his country. It's a shame," said Mario Marmolejos.Police say a motive for this killing is still unclear.