The man stopped the robber outside of a Wells Fargo in Georgia , Marietta . Man saw alleged robber present a 'demand note ' to teller and followed him out . Grabbed gun from his car and kept suspect on the ground until police came . Robbery suspect Mark Katchem , 25 , was charged with robbery by intimidation .
The man stopped the robber outside of a Wells Fargo in Marietta , Georgia . Man saw alleged robber present a 'demand note ' to teller and followed him out . Grabbed gun from his car and kept suspect on the ground until police came . Robbery suspect Mark Katchem , 25 , was charged with robbery by intimidation .