One Night, Jacob Is Walking Home from His Shift at a Bar

One night, Jacob is walking home from his shift at a bar. Steven walks up behind him and holds up his index finger to Jacob's back; Jacob believes it is a gun. Steven instructs him to walk to the adjacent alley, kneel on the ground facing the wall, and orders Jacob to give him all his money, valuables, and cell phone. Steven threatens Jacob and tells him not to make any sound or Steven will shoot him. After Steven leaves, Jacob quickly reports the crime and a patrol car was sent to canvas the location. Steven is found with Jacob's items and is subsequently arrested. Is Steven liable for attempted battery assault? Why or why not? Is Steven liable for assault of placing another in fear of a battery? Why or why not?