Denver police have arrested a second man in the death of a teacher who was shot while driving in an alley near her home. Police say 27-year-old Richard James Leavitt was arrested on a charge of being an accessory to first-degree murder in the death of Andrea Roan. On Dec. 16, police arrested 27-year-old Ryan Miller on suspicion of first-degree murder after finding Roan in her car with a gunshot wound to the head after her car crashed into a garage. Roan had recently ended a brief relationship with Miller, and a judge had ordered Miller not to contact Roan. Court documents obtained by the Call 7 Investigators show the gun believed to have been used in the crime was found in Leavitt's backpack.Leavitt told police he drove Miller to Roan's apartment so Miller could talk to her. Leavitt said he heard a gun shot a short time later and Miller came back to the car and stuck a handgun and clip into the backpack, according to court documents.Roan was a popular 5th grade teacher at Alsup Elementary in Commerce City. An Adams County School District 14 official said Roan was a first-year teacher at the school.