ELIZABETHTOWN, Ky. (WHAS11) – The Elizabethtown Police Department arrested 20-year-old Austen Green in the homicide involving 26-year-old Anthony Gullotto of Radcliff, Ky.

Green was charged with murder and tampering with physical evidence in the case.

The Elizabethtown resident was questioned by detectives and Green admitted to the shooting, according to EPD.

EPD said Green claimed he and Gullotto were behind the Peddlers Mall at Lakeshore Plaza in Elizabethtown, for reasons that are not clear. Green said Gullotto had attempted to punch and rob him and that is when he shot Gullotto four times.

Green said, according to police, he then drove away, tossing the gun. They say he returned to the scene to confirm Gullotto was dead and took the shell casings and put them in the garbage at his residence.

Gullotto was found shot on Dec. 19.