articleThe Brief A MARTA rail operator found a man dead on the tracks in DeKalb County. Rail service was temporarily suspended while police investigated. A man was found dead on MARTA tracks in DeKalb County Monday night, prompting a temporary suspension of rail service while authorities investigated. What we know:According to MARTA, a rail operator traveling between the Kensington and Avondale stations spotted the man on the tracks around 9:30 p.m. Aug. 3. What we don't know:Officials have not released the man's identity or said how he ended up on the tracks.