There has been major headway in the murder of a man, shot point blank in front of his family who were just inches away, last week in the city of Alton.

Police say they believed gunman is now under arrest he is expected to be charged tomorrow.

This comes on the heels of three additional suspects who were charged with capital murder yesterday.

On November 26th, José Luis Gonzalez was gunned down in his pickup truck outside a gas station in the presence of his wife and children.  Investigators believe the motive was drug-related.