Raul Lopez, 19, and Jorge Luis Meza Ruiz, 22, pleaded not guilty to a charge of first-degree murder.

The men are accused in the fatal shooting of Andres Chavarin on Tuesday night outside his house in the 700 block of Yucatan Way.Defendants usually enter a not-guilty plea during arraignment hearings.This is the second time this year that the District Attorney's Office has charged a teenager as an adult.In April, 17-year-old Ezekiel Lopez-Figueroa was charged as an adult in the death of 11-year-old King City resident Esther Rubio.Lopez-Figueroa pleaded not guilty in June to murder, attempted murder, gang enhancements and conspiracy charges.Esther and her older brother were shot after a soccer match Dec. 2 at King City High School.