Police in Chatham want to know if they are dealing with gang members or just vandals after finding graffiti at the train station.

Authorities are investigating a group that calls itself the ?Street Disciples.? Police fear this group may be a gang and want to put an end to its activities. The symbols at the train station have been found in other places, including on some teenagers? wallets and clothes.

Authorities have contacted state gang units to further look into the graffiti and the group responsible. Residents say if the group is a gang they would be shocked and scared.