Montgomery, Al. (WSFA) -- A Montgomery teenager is headed to prison for killing another man in broad daylight.
19-year old Christopher Whelan confessed to the crime in a Montgomery County courtroom Monday morning.
Investigators say Whelan shot 21-year old Sylvester Jernigan four times at a house near Susan Drive.
Police caught Whelan after a short chase.
Whelan could get 20 years to life in prison.