MARYLAND - Police hope an autopsy will shed light on how a teenager accused of killing a veteran police officer from Carroll County died a day after being charged with the officer's murder. Mary Bubala reports police and the state's attorney's office promise a full investigation into the mysterious death of the suspect. Police locked up 19-year-old Ronnie White on Friday. But Sunday morning officers found him dead on the floor of his prison cell. How we died is unclear. Prison officials say there were no obvious signs of injury. "Certainly there was no cloth or rope or material there tied around his neck. There were no cuts on his wrists or anything. We're not sure at this particular time," said Col. Gregory Harris. White faced first-degree murder charges in the death of 39-year-old Prince George's County Police Cpl. Richard Findley. On Friday in Laurel, police say Cpl. Findley was staked out, watching a parked stolen car at an apartment complex on Laurel-Bowie Road. Two men got...